31247674213 has 32 divisors (see below), whose sum is σ = 38402265600. Its totient is φ = 25364908800.

The previous prime is 31247674147. The next prime is 31247674219.

31247674213 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-31247674213 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 (31247674219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 777181 + ... + 816397.

It is an arithmetic number, because the mean of its divisors is an integer number (1200070800).

Almost surely, 2^31247674213 is an apocalyptic number.

It is an amenable number.

31247674213 is a deficient number, since it is larger than the sum of its proper divisors (7154591387).

31247674213 is a wasteful number, since it uses less digits than its factorization.

31247674213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39362 (or 39348 counting only the distinct ones).

The product of its digits is 169344, while the sum is 40.

The spelling of 31247674213 in words is "thirty-one billion, two hundred forty-seven million, six hundred seventy-four thousand, two hundred thirteen".