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31301230300320 = 253565210896459
BaseRepresentation
bin1110001110111111000101…
…01101101000110010100000
311002211100221120001221110210
413013133202231220302200
513100314404424102240
6150323330420254120
76410303444425161
oct707374255506240
9132740846057423
1031301230300320
119a78860535072
12361647a841340
1314609023a9736
147a2db80b1768
1539433bc22780
hex1c77e2b68ca0

31301230300320 has 48 divisors (see below), whose sum is σ = 98598875447520. Its totient is φ = 8346994746624.

The previous prime is 31301230300303. The next prime is 31301230300331. The reversal of 31301230300320 is 2300303210313.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32605447750 + ... + 32605448709.

It is an arithmetic number, because the mean of its divisors is an integer number (2054143238490).

Almost surely, 231301230300320 is an apocalyptic number.

31301230300320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31301230300320 is an abundant number, since it is smaller than the sum of its proper divisors (67297645147200).

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

31301230300320 is a wasteful number, since it uses less digits than its factorization.

31301230300320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65210896477 (or 65210896469 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 31301230300320 its reverse (2300303210313), we get a palindrome (33601533510633).

The spelling of 31301230300320 in words is "thirty-one trillion, three hundred one billion, two hundred thirty million, three hundred thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 65210896459 130421792918 195632689377 260843585836 326054482295 391265378754 521687171672 652108964590 782530757508 978163446885 1043374343344 1304217929180 1565061515016 1956326893770 2086748686688 2608435858360 3130123030032 3912653787540 5216871716720 6260246060064 7825307575080 10433743433440 15650615150160 31301230300320