31326090616 has 16 divisors (see below), whose sum is σ = 58744501200. Its totient is φ = 15660890304.

The previous prime is 31326090583. The next prime is 31326090641. The reversal of 31326090616 is 61609062313.

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 3 ways as a sum of consecutive naturals, for example, 206740 + ... + 324643.

It is an arithmetic number, because the mean of its divisors is an integer number (3671531325).

Almost surely, 2^31326090616 is an apocalyptic number.

It is an amenable number.

31326090616 is a deficient number, since it is larger than the sum of its proper divisors (27418410584).

31326090616 is a wasteful number, since it uses less digits than its factorization.

31326090616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538758 (or 538754 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The spelling of 31326090616 in words is "thirty-one billion, three hundred twenty-six million, ninety thousand, six hundred sixteen".