31571639114 has 24 divisors (see below), whose sum is σ = 50436741420. Its totient is φ = 14818942976.

The previous prime is 31571639027. The next prime is 31571639129. The reversal of 31571639114 is 41193617513.

It can be written as a sum of positive squares in 6 ways, for example, as 24940305625 + 6631333489 = 157925^2 + 81433^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154634 + ... + 295050.

Almost surely, 2^31571639114 is an apocalyptic number.

31571639114 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31571639114 is a deficient number, since it is larger than the sum of its proper divisors (18865102306).

31571639114 is a wasteful number, since it uses less digits than its factorization.

31571639114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140842 (or 140825 counting only the distinct ones).

The product of its digits is 68040, while the sum is 41.

The spelling of 31571639114 in words is "thirty-one billion, five hundred seventy-one million, six hundred thirty-nine thousand, one hundred fourteen".