31653429384 has 16 divisors (see below), whose sum is σ = 79133573520. Its totient is φ = 10551143120.

The previous prime is 31653429371. The next prime is 31653429469. The reversal of 31653429384 is 48392435613.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659446422 + ... + 659446469.

It is an arithmetic number, because the mean of its divisors is an integer number (4945848345).

Almost surely, 2^31653429384 is an apocalyptic number.

It is an amenable number.

31653429384 is an abundant number, since it is smaller than the sum of its proper divisors (47480144136).

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

31653429384 is a wasteful number, since it uses less digits than its factorization.

31653429384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318892900 (or 1318892896 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 48.

The spelling of 31653429384 in words is "thirty-one billion, six hundred fifty-three million, four hundred twenty-nine thousand, three hundred eighty-four".