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31301110113312 = 2531336913679463
BaseRepresentation
bin1110001110111110110111…
…00011001010010000100000
311002211100122011220210220010
413013133123203022100200
513100314133142111222
6150323310444244520
76410300455024554
oct707373343122040
9132740564823803
1031301110113312
119a787a9705866
123616446540740
1314608b3518670
147a2da6147864
153943313d180c
hex1c77db8ca420

31301110113312 has 96 divisors (see below), whose sum is σ = 88488357890688. Its totient is φ = 9630835716096.

The previous prime is 31301110113289. The next prime is 31301110113359. The reversal of 31301110113312 is 21331101110313.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45727693 + ... + 46407155.

It is an arithmetic number, because the mean of its divisors is an integer number (921753728028).

Almost surely, 231301110113312 is an apocalyptic number.

31301110113312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31301110113312 is an abundant number, since it is smaller than the sum of its proper divisors (57187247777376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31301110113312 is a wasteful number, since it uses less digits than its factorization.

31301110113312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716402 (or 716394 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 31301110113312 its reverse (21331101110313), we get a palindrome (52632211223625).

The spelling of 31301110113312 in words is "thirty-one trillion, three hundred one billion, one hundred ten million, one hundred thirteen thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 208 312 416 624 1248 36913 73826 110739 147652 221478 295304 442956 479869 590608 679463 885912 959738 1181216 1358926 1439607 1771824 1919476 2038389 2717852 2879214 3543648 3838952 4076778 5435704 5758428 7677904 8153556 8833019 10871408 11516856 15355808 16307112 17666038 21742816 23033712 26499057 32614224 35332076 46067424 52998114 65228448 70664152 105996228 141328304 211992456 282656608 423984912 847969824 25081017719 50162035438 75243053157 100324070876 150486106314 200648141752 300972212628 326053230347 401296283504 601944425256 652106460694 802592567008 978159691041 1203888850512 1304212921388 1956319382082 2407777701024 2608425842776 3912638764164 5216851685552 7825277528328 10433703371104 15650555056656 31301110113312