31886053850 has 96 divisors (see below), whose sum is σ = 69141931776. Its totient is φ = 10714636800.

The previous prime is 31886053847. The next prime is 31886053883. The reversal of 31886053850 is 5835068813.

It is a junction number, because it is equal to n+sod(n) for n = 31886053795 and 31886053804.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 4295342 + ... + 4302758.

It is an arithmetic number, because the mean of its divisors is an integer number (720228456).

Almost surely, 2^31886053850 is an apocalyptic number.

31886053850 is an abundant number, since it is smaller than the sum of its proper divisors (37255877926).

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

31886053850 is a wasteful number, since it uses less digits than its factorization.

31886053850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7680 (or 7675 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 31886053850 in words is "thirty-one billion, eight hundred eighty-six million, fifty-three thousand, eight hundred fifty".