31653117475 has 12 divisors (see below), whose sum is σ = 44856989584. Its totient is φ = 21704994720.

The previous prime is 31653117451. The next prime is 31653117487. The reversal of 31653117475 is 57471135613.

It is not a de Polignac number, because 31653117475 - 2¹⁹ = 31652593187 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90437304 + ... + 90437653.

Almost surely, 2^31653117475 is an apocalyptic number.

31653117475 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

31653117475 is a deficient number, since it is larger than the sum of its proper divisors (13203872109).

31653117475 is a wasteful number, since it uses less digits than its factorization.

31653117475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180874974 (or 180874969 counting only the distinct ones).

The product of its digits is 264600, while the sum is 43.

The spelling of 31653117475 in words is "thirty-one billion, six hundred fifty-three million, one hundred seventeen thousand, four hundred seventy-five".