31800275094 has 24 divisors (see below), whose sum is σ = 73984314168. Its totient is φ = 9085792800.

The previous prime is 31800275093. The next prime is 31800275161. The reversal of 31800275094 is 49057200813.

It is a super-2 number, since 2×31800275094² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31800275093) 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 11 ways as a sum of consecutive naturals, for example, 54081807 + ... + 54082394.

It is an arithmetic number, because the mean of its divisors is an integer number (3082679757).

Almost surely, 2^31800275094 is an apocalyptic number.

31800275094 is an abundant number, since it is smaller than the sum of its proper divisors (42184039074).

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

31800275094 is a wasteful number, since it uses less digits than its factorization.

31800275094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108164220 (or 108164213 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 31800275094 in words is "thirty-one billion, eight hundred million, two hundred seventy-five thousand, ninety-four".