31845365711 has 12 divisors (see below), whose sum is σ = 32997486600. Its totient is φ = 30732205728.

The previous prime is 31845365623. The next prime is 31845365801. The reversal of 31845365711 is 11756354813.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-31845365711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31845305711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1959005 + ... + 1975193.

It is an arithmetic number, because the mean of its divisors is an integer number (2749790550).

Almost surely, 2^31845365711 is an apocalyptic number.

31845365711 is a deficient number, since it is larger than the sum of its proper divisors (1152120889).

31845365711 is a wasteful number, since it uses less digits than its factorization.

31845365711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18586 (or 18557 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The spelling of 31845365711 in words is "thirty-one billion, eight hundred forty-five million, three hundred sixty-five thousand, seven hundred eleven".