31468713636 has 12 divisors (see below), whose sum is σ = 73426998512. Its totient is φ = 10489571208.

The previous prime is 31468713547. The next prime is 31468713671. The reversal of 31468713636 is 63631786413.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1311196390 + ... + 1311196413.

Almost surely, 2^31468713636 is an apocalyptic number.

It is an amenable number.

31468713636 is an abundant number, since it is smaller than the sum of its proper divisors (41958284876).

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

31468713636 is a wasteful number, since it uses less digits than its factorization.

31468713636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2622392810 (or 2622392808 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 48.

The spelling of 31468713636 in words is "thirty-one billion, four hundred sixty-eight million, seven hundred thirteen thousand, six hundred thirty-six".