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31232030104 = 2311354909433
BaseRepresentation
bin11101000101100100…
…101111010110011000
32222121121120111221201
4131011210233112120
51002430344430404
622203042443544
72153646606232
oct350544572630
988547514851
1031232030104
1112277737530
1260776635b4
132c396c25b2
141723d15252
15c2bd8eca4
hex74592f598

31232030104 has 16 divisors (see below), whose sum is σ = 63883698120. Its totient is φ = 14196377280.

The previous prime is 31232030099. The next prime is 31232030147. The reversal of 31232030104 is 40103023213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177454629 + ... + 177454804.

Almost surely, 231232030104 is an apocalyptic number.

It is an amenable number.

31232030104 is an abundant number, since it is smaller than the sum of its proper divisors (32651668016).

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

31232030104 is a wasteful number, since it uses less digits than its factorization.

31232030104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354909450 (or 354909446 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31232030104 its reverse (40103023213), we get a palindrome (71335053317).

The spelling of 31232030104 in words is "thirty-one billion, two hundred thirty-two million, thirty thousand, one hundred four".

Divisors: 1 2 4 8 11 22 44 88 354909433 709818866 1419637732 2839275464 3904003763 7808007526 15616015052 31232030104