31022113000 has 32 divisors (see below), whose sum is σ = 72591746760. Its totient is φ = 12408844800.

The previous prime is 31022112971. The next prime is 31022113021. The reversal of 31022113000 is 31122013.

It can be written as a sum of positive squares in 4 ways, for example, as 13262286244 + 17759826756 = 115162^2 + 133266^2 .

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, 15510057 + ... + 15512056.

Almost surely, 2^31022113000 is an apocalyptic number.

It is an amenable number.

31022113000 is an abundant number, since it is smaller than the sum of its proper divisors (41569633760).

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

31022113000 is a wasteful number, since it uses less digits than its factorization.

31022113000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31022134 (or 31022120 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 31022113000 its reverse (31122013), we get a palindrome (31053235013).

The spelling of 31022113000 in words is "thirty-one billion, twenty-two million, one hundred thirteen thousand".