31423464051016 has 16 divisors (see below), whose sum is σ = 59224274865900. Its totient is φ = 15630324086784.

The previous prime is 31423464050989. The next prime is 31423464051037. The reversal of 31423464051016 is 61015046432413.

It can be written as a sum of positive squares in 2 ways, for example, as 31213965606916 + 209498444100 = 5586946^2 + 457710^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31423464051016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10175990701 + ... + 10175993788.

Almost surely, 2^{31423464051016} is an apocalyptic number.

It is an amenable number.

31423464051016 is a deficient number, since it is larger than the sum of its proper divisors (27800810814884).

31423464051016 is a wasteful number, since it uses less digits than its factorization.

31423464051016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20351984688 (or 20351984684 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 31423464051016 in words is "thirty-one trillion, four hundred twenty-three billion, four hundred sixty-four million, fifty-one thousand, sixteen".