30642631356 has 48 divisors (see below), whose sum is σ = 72027648000. Its totient is φ = 10138850112.

The previous prime is 30642631343. The next prime is 30642631363. The reversal of 30642631356 is 65313624603.

It is a congruent number.

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, 3140221 + ... + 3149963.

It is an arithmetic number, because the mean of its divisors is an integer number (1500576000).

Almost surely, 2^30642631356 is an apocalyptic number.

It is an amenable number.

30642631356 is an abundant number, since it is smaller than the sum of its proper divisors (41385016644).

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

30642631356 is a wasteful number, since it uses less digits than its factorization.

30642631356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11658 (or 11656 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 39.

The spelling of 30642631356 in words is "thirty billion, six hundred forty-two million, six hundred thirty-one thousand, three hundred fifty-six".