31457133770 has 16 divisors (see below), whose sum is σ = 57183464808. Its totient is φ = 12458270400.

The previous prime is 31457133767. The next prime is 31457133797. The reversal of 31457133770 is 7733175413.

It can be written as a sum of positive squares in 4 ways, for example, as 25978025329 + 5479108441 = 161177^2 + 74021^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15571829 + ... + 15573848.

Almost surely, 2^31457133770 is an apocalyptic number.

31457133770 is a deficient number, since it is larger than the sum of its proper divisors (25726331038).

31457133770 is a wasteful number, since it uses less digits than its factorization.

31457133770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31145785.

The product of its (nonzero) digits is 185220, while the sum is 41.

The spelling of 31457133770 in words is "thirty-one billion, four hundred fifty-seven million, one hundred thirty-three thousand, seven hundred seventy".