31350486685 has 64 divisors (see below), whose sum is σ = 47026137600. Its totient is φ = 19576553472.

The previous prime is 31350486677. The next prime is 31350486733. The reversal of 31350486685 is 58668405313.

It is not a de Polignac number, because 31350486685 - 2³ = 31350486677 is a prime.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 4489917 + ... + 4496893.

It is an arithmetic number, because the mean of its divisors is an integer number (734783400).

Almost surely, 2^31350486685 is an apocalyptic number.

31350486685 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31350486685 is a deficient number, since it is larger than the sum of its proper divisors (15675650915).

31350486685 is a wasteful number, since it uses less digits than its factorization.

31350486685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7270.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 31350486685 in words is "thirty-one billion, three hundred fifty million, four hundred eighty-six thousand, six hundred eighty-five".