31033012010120 has 32 divisors (see below), whose sum is σ = 69826135023000. Its totient is φ = 12412874492928.

The previous prime is 31033012010083. The next prime is 31033012010171. The reversal of 31033012010120 is 2101021033013.

It can be written as a sum of positive squares in 4 ways, for example, as 23346155949796 + 7686856060324 = 4831786^2 + 2772518^2 .

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, 8797439 + ... + 11809358.

Almost surely, 2^{31033012010120} is an apocalyptic number.

It is an amenable number.

31033012010120 is an abundant number, since it is smaller than the sum of its proper divisors (38793123012880).

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

31033012010120 is a wasteful number, since it uses less digits than its factorization.

31033012010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20644457 (or 20644453 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31033012010120 its reverse (2101021033013), we get a palindrome (33134033043133).

The spelling of 31033012010120 in words is "thirty-one trillion, thirty-three billion, twelve million, ten thousand, one hundred twenty".