313020440304 has 160 divisors (see below), whose sum is σ = 1000006828800. Its totient is φ = 82949806080.

The previous prime is 313020440297. The next prime is 313020440339. The reversal of 313020440304 is 403044020313.

It is a super-2 number, since 2×313020440304² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1069669 + ... + 1330500.

It is an arithmetic number, because the mean of its divisors is an integer number (6250042680).

Almost surely, 2^313020440304 is an apocalyptic number.

It is an amenable number.

313020440304 is an abundant number, since it is smaller than the sum of its proper divisors (686986388496).

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

313020440304 is a wasteful number, since it uses less digits than its factorization.

313020440304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400223 (or 2400217 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 313020440304 its reverse (403044020313), we get a palindrome (716064460617).

The spelling of 313020440304 in words is "three hundred thirteen billion, twenty million, four hundred forty thousand, three hundred four".