31699530486 has 24 divisors (see below), whose sum is σ = 73965571680. Its totient is φ = 9753701616.

The previous prime is 31699530481. The next prime is 31699530493. The reversal of 31699530486 is 68403599613.

31699530486 is a `hidden beast` number, since 3 + 1 + 69 + 9 + 530 + 48 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31699530481) 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 11 ways as a sum of consecutive naturals, for example, 67733806 + ... + 67734273.

It is an arithmetic number, because the mean of its divisors is an integer number (3081898820).

Almost surely, 2^31699530486 is an apocalyptic number.

31699530486 is an abundant number, since it is smaller than the sum of its proper divisors (42266041194).

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

31699530486 is a wasteful number, since it uses less digits than its factorization.

31699530486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135468100 (or 135468097 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 31699530486 in words is "thirty-one billion, six hundred ninety-nine million, five hundred thirty thousand, four hundred eighty-six".