31272635106 has 12 divisors (see below), whose sum is σ = 67757376102. Its totient is φ = 10424211696.

The previous prime is 31272635087. The next prime is 31272635123. The reversal of 31272635106 is 60153627213.

31272635106 is a `hidden beast` number, since 3 + 1 + 2 + 7 + 2 + 635 + 10 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 31219709481 + 52925625 = 176691^2 + 7275^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 868684291 + ... + 868684326.

Almost surely, 2^31272635106 is an apocalyptic number.

31272635106 is an abundant number, since it is smaller than the sum of its proper divisors (36484740996).

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

31272635106 is a wasteful number, since it uses less digits than its factorization.

31272635106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737368625 (or 1737368622 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 31272635106 in words is "thirty-one billion, two hundred seventy-two million, six hundred thirty-five thousand, one hundred six".