1304113312 has 24 divisors (see below), whose sum is σ = 2584485792. Its totient is φ = 647736000.

The previous prime is 1304113309. The next prime is 1304113319. The reversal of 1304113312 is 2133114031.

It is a self number, because there is not a number n which added to its sum of digits gives 1304113312.

It is not an unprimeable number, because it can be changed into a prime (1304113319) 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, 130114 + ... + 139777.

It is an arithmetic number, because the mean of its divisors is an integer number (107686908).

Almost surely, 2^1304113312 is an apocalyptic number.

It is an amenable number.

1304113312 is a deficient number, since it is larger than the sum of its proper divisors (1280372480).

1304113312 is a wasteful number, since it uses less digits than its factorization.

1304113312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270052 (or 270044 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1304113312 is about 36112.5090792650. The cubic root of 1304113312 is about 1092.5427581811.

Adding to 1304113312 its reverse (2133114031), we get a palindrome (3437227343).

The spelling of 1304113312 in words is "one billion, three hundred four million, one hundred thirteen thousand, three hundred twelve".