30631377989100 has 144 divisors (see below), whose sum is σ = 106618691244800. Its totient is φ = 6632960037120.

The previous prime is 30631377989083. The next prime is 30631377989111. The reversal of 30631377989100 is 198977313603.

It is a super-2 number, since 2×30631377989100² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 383811955 + ... + 383891754.

Almost surely, 2^{30631377989100} is an apocalyptic number.

30631377989100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30631377989100 is an abundant number, since it is smaller than the sum of its proper divisors (75987313255700).

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

30631377989100 is a wasteful number, since it uses less digits than its factorization.

30631377989100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767703752 (or 767703745 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 57.

The spelling of 30631377989100 in words is "thirty trillion, six hundred thirty-one billion, three hundred seventy-seven million, nine hundred eighty-nine thousand, one hundred".