31016332655243 has 16 divisors (see below), whose sum is σ = 33520428819360. Its totient is φ = 28529194999296.

The previous prime is 31016332655173. The next prime is 31016332655251. The reversal of 31016332655243 is 34255623361013.

It is a cyclic number.

It is not a de Polignac number, because 31016332655243 - 2¹⁸ = 31016332393099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31016332655194 and 31016332655203.

It is not an unprimeable number, because it can be changed into a prime (31016332655263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9309296 + ... + 12194082.

It is an arithmetic number, because the mean of its divisors is an integer number (2095026801210).

Almost surely, 2^{31016332655243} is an apocalyptic number.

31016332655243 is a deficient number, since it is larger than the sum of its proper divisors (2504096164117).

31016332655243 is a wasteful number, since it uses less digits than its factorization.

31016332655243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887726.

The product of its (nonzero) digits is 1166400, while the sum is 44.

The spelling of 31016332655243 in words is "thirty-one trillion, sixteen billion, three hundred thirty-two million, six hundred fifty-five thousand, two hundred forty-three".