31311330000313 has 8 divisors (see below), whose sum is σ = 34217013538080. Its totient is φ = 28415512961280.

The previous prime is 31311330000299. The next prime is 31311330000317. The reversal of 31311330000313 is 31300003311313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31311330000313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31311330000317) 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, 2466618043 + ... + 2466630736.

It is an arithmetic number, because the mean of its divisors is an integer number (4277126692260).

Almost surely, 2^{31311330000313} is an apocalyptic number.

It is an amenable number.

31311330000313 is a deficient number, since it is larger than the sum of its proper divisors (2905683537767).

31311330000313 is a wasteful number, since it uses less digits than its factorization.

31311330000313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4933249367.

The product of its (nonzero) digits is 729, while the sum is 22.

Adding to 31311330000313 its reverse (31300003311313), we get a palindrome (62611333311626).

The spelling of 31311330000313 in words is "thirty-one trillion, three hundred eleven billion, three hundred thirty million, three hundred thirteen", and thus it is an aban number.