31139334313 has 8 divisors (see below), whose sum is σ = 31348069632. Its totient is φ = 30930730896.

The previous prime is 31139334311. The next prime is 31139334337. The reversal of 31139334313 is 31343393113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31139334313 - 2¹ = 31139334311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31139334311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465906 + ... + 528532.

It is an arithmetic number, because the mean of its divisors is an integer number (3918508704).

Almost surely, 2^31139334313 is an apocalyptic number.

It is an amenable number.

31139334313 is a deficient number, since it is larger than the sum of its proper divisors (208735319).

31139334313 is a wasteful number, since it uses less digits than its factorization.

31139334313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65951.

The product of its digits is 26244, while the sum is 34.

The spelling of 31139334313 in words is "thirty-one billion, one hundred thirty-nine million, three hundred thirty-four thousand, three hundred thirteen".