31350307168 has 24 divisors (see below), whose sum is σ = 62031085200. Its totient is φ = 15596380800.

The previous prime is 31350307139. The next prime is 31350307169. The reversal of 31350307168 is 86170305313.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31350307169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2455183 + ... + 2467918.

It is an arithmetic number, because the mean of its divisors is an integer number (2584628550).

Almost surely, 2^31350307168 is an apocalyptic number.

It is an amenable number.

31350307168 is a deficient number, since it is larger than the sum of its proper divisors (30680778032).

31350307168 is a wasteful number, since it uses less digits than its factorization.

31350307168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923310 (or 4923302 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 31350307168 in words is "thirty-one billion, three hundred fifty million, three hundred seven thousand, one hundred sixty-eight".