31359164248 has 16 divisors (see below), whose sum is σ = 59506849080. Its totient is φ = 15490671168.

The previous prime is 31359164237. The next prime is 31359164261. The reversal of 31359164248 is 84246195313.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31359164198 and 31359164207.

It is a congruent number.

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, 23613165 + ... + 23614492.

Almost surely, 2^31359164248 is an apocalyptic number.

It is an amenable number.

31359164248 is a deficient number, since it is larger than the sum of its proper divisors (28147684832).

31359164248 is a wasteful number, since it uses less digits than its factorization.

31359164248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47227746 (or 47227742 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The spelling of 31359164248 in words is "thirty-one billion, three hundred fifty-nine million, one hundred sixty-four thousand, two hundred forty-eight".