31702148968 has 48 divisors (see below), whose sum is σ = 69546106980. Its totient is φ = 13508070912.

The previous prime is 31702148957. The next prime is 31702148987. The reversal of 31702148968 is 86984120713.

It can be written as a sum of positive squares in 2 ways, for example, as 31448766244 + 253382724 = 177338^2 + 15918^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165921 + ... + 301552.

Almost surely, 2^31702148968 is an apocalyptic number.

It is an amenable number.

31702148968 is an abundant number, since it is smaller than the sum of its proper divisors (37843958012).

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

31702148968 is a wasteful number, since it uses less digits than its factorization.

31702148968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467666 (or 467655 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 31702148968 in words is "thirty-one billion, seven hundred two million, one hundred forty-eight thousand, nine hundred sixty-eight".