31385458313 has 12 divisors (see below), whose sum is σ = 36313756080. Its totient is φ = 27030536280.

The previous prime is 31385458301. The next prime is 31385458331.

31385458313 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31385458313 - 2¹⁶ = 31385392777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31385458333) 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 11 ways as a sum of consecutive naturals, for example, 6823595 + ... + 6828192.

It is an arithmetic number, because the mean of its divisors is an integer number (3026146340).

Almost surely, 2^31385458313 is an apocalyptic number.

It is an amenable number.

31385458313 is a deficient number, since it is larger than the sum of its proper divisors (4928297767).

31385458313 is a wasteful number, since it uses less digits than its factorization.

31385458313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13651828 (or 13651817 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The spelling of 31385458313 in words is "thirty-one billion, three hundred eighty-five million, four hundred fifty-eight thousand, three hundred thirteen".