1304312344 has 16 divisors (see below), whose sum is σ = 2445973920. Its totient is φ = 652052640.

The previous prime is 1304312341. The next prime is 1304312353. The reversal of 1304312344 is 4432134031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304312341) 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, 79122 + ... + 94174.

It is an arithmetic number, because the mean of its divisors is an integer number (152873370).

Almost surely, 2^1304312344 is an apocalyptic number.

It is an amenable number.

1304312344 is a deficient number, since it is larger than the sum of its proper divisors (1141661576).

1304312344 is a wasteful number, since it uses less digits than its factorization.

1304312344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25890 (or 25886 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1304312344 is about 36115.2646951396. The cubic root of 1304312344 is about 1092.5983361504.

Adding to 1304312344 its reverse (4432134031), we get a palindrome (5736446375).

The spelling of 1304312344 in words is "one billion, three hundred four million, three hundred twelve thousand, three hundred forty-four".