31300000313 has 8 divisors (see below), whose sum is σ = 33247064808. Its totient is φ = 29364701184.

The previous prime is 31300000309. The next prime is 31300000321.

31300000313 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 3393295504 + 27906704809 = 58252^2 + 167053^2 .

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 31300000313 - 2² = 31300000309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31300000393) 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, 2935856 + ... + 2946497.

It is an arithmetic number, because the mean of its divisors is an integer number (4155883101).

Almost surely, 2^31300000313 is an apocalyptic number.

It is an amenable number.

31300000313 is a deficient number, since it is larger than the sum of its proper divisors (1947064495).

31300000313 is a wasteful number, since it uses less digits than its factorization.

31300000313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882683.

The product of its (nonzero) digits is 81, while the sum is 14.

It can be divided in two parts, 31300000 and 313, that added together give a palindrome (31300313).

The spelling of 31300000313 in words is "thirty-one billion, three hundred million, three hundred thirteen", and thus it is an aban number.