313440321304 has 32 divisors (see below), whose sum is σ = 674871508800. Its totient is φ = 134974300320.

The previous prime is 313440321301. The next prime is 313440321353. The reversal of 313440321304 is 403123044313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313440321301) 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, 93730482 + ... + 93733825.

It is an arithmetic number, because the mean of its divisors is an integer number (21089734650).

Almost surely, 2^313440321304 is an apocalyptic number.

It is an amenable number.

313440321304 is an abundant number, since it is smaller than the sum of its proper divisors (361431187496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313440321304 is a wasteful number, since it uses less digits than its factorization.

313440321304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187464343 (or 187464339 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 313440321304 its reverse (403123044313), we get a palindrome (716563365617).

The spelling of 313440321304 in words is "three hundred thirteen billion, four hundred forty million, three hundred twenty-one thousand, three hundred four".