31300400400313 has 8 divisors (see below), whose sum is σ = 34168854303360. Its totient is φ = 28435773656880.

The previous prime is 31300400400293. The next prime is 31300400400317.

It is a happy number.

31300400400313 is nontrivially palindromic in base 10.

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-31300400400313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31300400400317) 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, 956772798 + ... + 956805511.

It is an arithmetic number, because the mean of its divisors is an integer number (4271106787920).

Almost surely, 2^{31300400400313} is an apocalyptic number.

It is an amenable number.

31300400400313 is a deficient number, since it is larger than the sum of its proper divisors (2868453903047).

31300400400313 is a wasteful number, since it uses less digits than its factorization.

31300400400313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913579807.

The product of its (nonzero) digits is 1296, while the sum is 22.

Multiplying 31300400400313 by its sum of digits (22), we get a palindrome (688608808806886).

It can be divided in two parts, 31300400 and 400313, that added together give a palindrome (31700713).

The spelling of 31300400400313 in words is "thirty-one trillion, three hundred billion, four hundred million, four hundred thousand, three hundred thirteen".