352131312232 has 32 divisors (see below), whose sum is σ = 756537292800. Its totient is φ = 150519380544.

The previous prime is 352131312223. The next prime is 352131312283. The reversal of 352131312232 is 232213131253.

It is a super-2 number, since 2×352131312232² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 352131312232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8187507 + ... + 8230402.

It is an arithmetic number, because the mean of its divisors is an integer number (23641790400).

Almost surely, 2^352131312232 is an apocalyptic number.

It is an amenable number.

352131312232 is an abundant number, since it is smaller than the sum of its proper divisors (404405980568).

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

352131312232 is a wasteful number, since it uses less digits than its factorization.

352131312232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16418305 (or 16418301 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

Adding to 352131312232 its reverse (232213131253), we get a palindrome (584344443485).

The spelling of 352131312232 in words is "three hundred fifty-two billion, one hundred thirty-one million, three hundred twelve thousand, two hundred thirty-two".