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31023132301112 = 23713729711361051
BaseRepresentation
bin1110000110111001000101…
…10001111101011100111000
311001211210010102121211120012
413003130202301331130320
513031240333332113422
6145551455155121052
76351230065431320
oct703344261753470
9131753112554505
1031023132301112
11998092245a176
1235905a82a3188
131440613009c13
14793755ac0280
1538beb22854e2
hex1c3722c7d738

31023132301112 has 64 divisors (see below), whose sum is σ = 66985970768640. Its totient is φ = 13194127584000.

The previous prime is 31023132301111. The next prime is 31023132301297. The reversal of 31023132301112 is 21110323132013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31023132301111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22112987 + ... + 23474037.

It is an arithmetic number, because the mean of its divisors is an integer number (1046655793260).

Almost surely, 231023132301112 is an apocalyptic number.

It is an amenable number.

31023132301112 is an abundant number, since it is smaller than the sum of its proper divisors (35962838467528).

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

31023132301112 is a wasteful number, since it uses less digits than its factorization.

31023132301112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364172 (or 1364168 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 31023132301112 its reverse (21110323132013), we get a palindrome (52133455433125).

The spelling of 31023132301112 in words is "thirty-one trillion, twenty-three billion, one hundred thirty-two million, three hundred one thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 137 274 548 959 1096 1918 2971 3836 5942 7672 11884 20797 23768 41594 83188 166376 407027 814054 1361051 1628108 2722102 2849189 3256216 5444204 5698378 9527357 10888408 11396756 19054714 22793512 38109428 76218856 186463987 372927974 745855948 1305247909 1491711896 2610495818 4043682521 5220991636 8087365042 10441983272 16174730084 28305777647 32349460168 56611555294 113223110588 226446221176 553984505377 1107969010754 2215938021508 3877891537639 4431876043016 7755783075278 15511566150556 31023132301112