31406296689 has 12 divisors (see below), whose sum is σ = 48033159876. Its totient is φ = 19705911552.

The previous prime is 31406296583. The next prime is 31406296693. The reversal of 31406296689 is 98669260413.

31406296689 is a `hidden beast` number, since 3 + 1 + 4 + 0 + 629 + 6 + 6 + 8 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12564616464 + 18841680225 = 112092^2 + 137265^2 .

It is not a de Polignac number, because 31406296689 - 2⁸ = 31406296433 is a prime.

It is a super-3 number, since 3×31406296689³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (31406246689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102634804 + ... + 102635109.

It is an arithmetic number, because the mean of its divisors is an integer number (4002763323).

Almost surely, 2^31406296689 is an apocalyptic number.

It is an amenable number.

31406296689 is a deficient number, since it is larger than the sum of its proper divisors (16626863187).

31406296689 is a wasteful number, since it uses less digits than its factorization.

31406296689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205269936 (or 205269933 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 31406296689 in words is "thirty-one billion, four hundred six million, two hundred ninety-six thousand, six hundred eighty-nine".