30131201232 has 120 divisors (see below), whose sum is σ = 95065165440. Its totient is φ = 9130651200.

The previous prime is 30131201179. The next prime is 30131201237. The reversal of 30131201232 is 23210213103.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30131201237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 235944 + ... + 340487.

It is an arithmetic number, because the mean of its divisors is an integer number (792209712).

Almost surely, 2^30131201232 is an apocalyptic number.

It is an amenable number.

30131201232 is an abundant number, since it is smaller than the sum of its proper divisors (64933964208).

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

30131201232 is a wasteful number, since it uses less digits than its factorization.

30131201232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576470 (or 576447 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30131201232 its reverse (23210213103), we get a palindrome (53341414335).

The spelling of 30131201232 in words is "thirty billion, one hundred thirty-one million, two hundred one thousand, two hundred thirty-two".