31100852856 has 16 divisors (see below), whose sum is σ = 77752132200. Its totient is φ = 10366950944.

The previous prime is 31100852833. The next prime is 31100852857. The reversal of 31100852856 is 65825800113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31100852857) 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 3 ways as a sum of consecutive naturals, for example, 647934411 + ... + 647934458.

Almost surely, 2^31100852856 is an apocalyptic number.

It is an amenable number.

31100852856 is an abundant number, since it is smaller than the sum of its proper divisors (46651279344).

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

31100852856 is a wasteful number, since it uses less digits than its factorization.

31100852856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295868878 (or 1295868874 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 31100852856 in words is "thirty-one billion, one hundred million, eight hundred fifty-two thousand, eight hundred fifty-six".