318031172152 has 16 divisors (see below), whose sum is σ = 597766420800. Its totient is φ = 158626793280.

The previous prime is 318031172113. The next prime is 318031172159. The reversal of 318031172152 is 251271130813.

It is a super-2 number, since 2×318031172152² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318031172159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48595624 + ... + 48602167.

It is an arithmetic number, because the mean of its divisors is an integer number (37360401300).

Almost surely, 2^318031172152 is an apocalyptic number.

It is an amenable number.

318031172152 is a deficient number, since it is larger than the sum of its proper divisors (279735248648).

318031172152 is a wasteful number, since it uses less digits than its factorization.

318031172152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97198206 (or 97198202 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 318031172152 in words is "three hundred eighteen billion, thirty-one million, one hundred seventy-two thousand, one hundred fifty-two".