231033031032 has 64 divisors (see below), whose sum is σ = 611629794720. Its totient is φ = 72472444928.

The previous prime is 231033031007. The next prime is 231033031087. The reversal of 231033031032 is 230130330132.

It is a super-2 number, since 2×231033031032² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4066888 + ... + 4123304.

Almost surely, 2^231033031032 is an apocalyptic number.

It is an amenable number.

231033031032 is an abundant number, since it is smaller than the sum of its proper divisors (380596763688).

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

231033031032 is a wasteful number, since it uses less digits than its factorization.

231033031032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66480 (or 66476 counting only the distinct ones).

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

Adding to 231033031032 its reverse (230130330132), we get a palindrome (461163361164).

The spelling of 231033031032 in words is "two hundred thirty-one billion, thirty-three million, thirty-one thousand, thirty-two".