31020000101232 has 40 divisors (see below), whose sum is σ = 80135947930896. Its totient is φ = 10339877753856.

The previous prime is 31020000101231. The next prime is 31020000101239. The reversal of 31020000101232 is 23210100002013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31020000101231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326328 + ... + 7883304.

Almost surely, 2^{31020000101232} is an apocalyptic number.

It is an amenable number.

31020000101232 is an abundant number, since it is smaller than the sum of its proper divisors (49115947829664).

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

31020000101232 is a wasteful number, since it uses less digits than its factorization.

31020000101232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7642505 (or 7642499 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 31020000101232 its reverse (23210100002013), we get a palindrome (54230100103245).

The spelling of 31020000101232 in words is "thirty-one trillion, twenty billion, one hundred one thousand, two hundred thirty-two".