31254045213 has 16 divisors (see below), whose sum is σ = 44983336320. Its totient is φ = 19242869184.

The previous prime is 31254045211. The next prime is 31254045239.

31254045213 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31254045213 - 2¹ = 31254045211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31254045211) 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, 7807606 + ... + 7811607.

It is an arithmetic number, because the mean of its divisors is an integer number (2811458520).

Almost surely, 2^31254045213 is an apocalyptic number.

It is an amenable number.

31254045213 is a deficient number, since it is larger than the sum of its proper divisors (13729291107).

31254045213 is a wasteful number, since it uses less digits than its factorization.

31254045213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15619268.

The product of its (nonzero) digits is 14400, while the sum is 30.

It can be divided in two parts, 312540 and 45213, that added together give a palindrome (357753).

The spelling of 31254045213 in words is "thirty-one billion, two hundred fifty-four million, forty-five thousand, two hundred thirteen".