31133199964 has 6 divisors (see below), whose sum is σ = 54483099944. Its totient is φ = 15566599980.

The previous prime is 31133199953. The next prime is 31133199971. The reversal of 31133199964 is 46999133113.

It is a super-2 number, since 2×31133199964² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3891649992 + ... + 3891649999.

Almost surely, 2^31133199964 is an apocalyptic number.

It is an amenable number.

31133199964 is a deficient number, since it is larger than the sum of its proper divisors (23349899980).

31133199964 is a wasteful number, since it uses less digits than its factorization.

31133199964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7783299995 (or 7783299993 counting only the distinct ones).

The product of its digits is 472392, while the sum is 49.

The spelling of 31133199964 in words is "thirty-one billion, one hundred thirty-three million, one hundred ninety-nine thousand, nine hundred sixty-four".