31001021196 has 48 divisors (see below), whose sum is σ = 72529067520. Its totient is φ = 10306094400.

The previous prime is 31001021123. The next prime is 31001021221. The reversal of 31001021196 is 69112010013.

It is a super-2 number, since 2×31001021196² (a number of 22 digits) contains 22 as substring.

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, 8738295 + ... + 8741841.

It is an arithmetic number, because the mean of its divisors is an integer number (1511022240).

Almost surely, 2^31001021196 is an apocalyptic number.

It is an amenable number.

31001021196 is an abundant number, since it is smaller than the sum of its proper divisors (41528046324).

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

31001021196 is a wasteful number, since it uses less digits than its factorization.

31001021196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5294 (or 5292 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The spelling of 31001021196 in words is "thirty-one billion, one million, twenty-one thousand, one hundred ninety-six".