31232030120 has 32 divisors (see below), whose sum is σ = 70302296520. Its totient is φ = 12487438080.

The previous prime is 31232030099. The next prime is 31232030147. The reversal of 31232030120 is 2103023213.

It can be written as a sum of positive squares in 4 ways, for example, as 29665928644 + 1566101476 = 172238^2 + 39574^2 .

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, 73127 + ... + 260406.

Almost surely, 2^31232030120 is an apocalyptic number.

It is an amenable number.

31232030120 is an abundant number, since it is smaller than the sum of its proper divisors (39070266400).

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

31232030120 is a wasteful number, since it uses less digits than its factorization.

31232030120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335885 (or 335881 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31232030120 its reverse (2103023213), we get a palindrome (33335053333).

The spelling of 31232030120 in words is "thirty-one billion, two hundred thirty-two million, thirty thousand, one hundred twenty".