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30323131032 = 23329288715091
BaseRepresentation
bin11100001111011001…
…100100001010011000
32220021021022122211010
4130033121210022120
5444100210143112
621532533533520
72122302234555
oct341731441230
986237278733
1030323131032
1111950687177
125a631a42a0
132b233014ac
14167931da2c
15bc71a663c
hex70f664298

30323131032 has 64 divisors (see below), whose sum is σ = 78454252800. Its totient is φ = 9755141760.

The previous prime is 30323131021. The next prime is 30323131039. The reversal of 30323131032 is 23013132303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30323131039) 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, 2001807 + ... + 2016897.

It is an arithmetic number, because the mean of its divisors is an integer number (1225847700).

Almost surely, 230323131032 is an apocalyptic number.

It is an amenable number.

30323131032 is an abundant number, since it is smaller than the sum of its proper divisors (48131121768).

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

30323131032 is a wasteful number, since it uses less digits than its factorization.

30323131032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18016 (or 18012 counting only the distinct ones).

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

Adding to 30323131032 its reverse (23013132303), we get a palindrome (53336263335).

The spelling of 30323131032 in words is "thirty billion, three hundred twenty-three million, one hundred thirty-one thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 24 29 58 87 116 174 232 348 696 2887 5774 8661 11548 15091 17322 23096 30182 34644 45273 60364 69288 83723 90546 120728 167446 181092 251169 334892 362184 437639 502338 669784 875278 1004676 1312917 1750556 2009352 2625834 3501112 5251668 10503336 43567717 87135434 130703151 174270868 261406302 348541736 522812604 1045625208 1263463793 2526927586 3790391379 5053855172 7580782758 10107710344 15161565516 30323131032