313440044 has 12 divisors (see below), whose sum is σ = 572368944. Its totient is φ = 149906064.

The previous prime is 313440031. The next prime is 313440047. The reversal of 313440044 is 440044313.

It is a super-2 number, since 2×313440044² = 196489322365443872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (313440047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1703387 + ... + 1703570.

It is an arithmetic number, because the mean of its divisors is an integer number (47697412).

Almost surely, 2^313440044 is an apocalyptic number.

It is an amenable number.

313440044 is a deficient number, since it is larger than the sum of its proper divisors (258928900).

313440044 is a wasteful number, since it uses less digits than its factorization.

313440044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406984 (or 3406982 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 313440044 is about 17704.2380237049. The cubic root of 313440044 is about 679.2841688594.

Adding to 313440044 its reverse (440044313), we get a palindrome (753484357).

The spelling of 313440044 in words is "three hundred thirteen million, four hundred forty thousand, forty-four".