31141521100 has 18 divisors (see below), whose sum is σ = 67577101004. Its totient is φ = 12456608400.

The previous prime is 31141521049. The next prime is 31141521133. The reversal of 31141521100 is 112514113.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155707506 + ... + 155707705.

Almost surely, 2^31141521100 is an apocalyptic number.

It is an amenable number.

31141521100 is an abundant number, since it is smaller than the sum of its proper divisors (36435579904).

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

31141521100 is a wasteful number, since it uses less digits than its factorization.

31141521100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311415225 (or 311415218 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The spelling of 31141521100 in words is "thirty-one billion, one hundred forty-one million, five hundred twenty-one thousand, one hundred".