1304132313 has 12 divisors (see below), whose sum is σ = 1911290864. Its totient is φ = 790383000.

The previous prime is 1304132281. The next prime is 1304132327. The reversal of 1304132313 is 3132314031.

It is not a de Polignac number, because 1304132313 - 2⁵ = 1304132281 is a prime.

It is a super-2 number, since 2×1304132313² = 3401522179621459938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1304132313.

It is not an unprimeable number, because it can be changed into a prime (1304132383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1795963 + ... + 1796688.

Almost surely, 2^1304132313 is an apocalyptic number.

It is an amenable number.

1304132313 is a deficient number, since it is larger than the sum of its proper divisors (607158551).

1304132313 is a wasteful number, since it uses less digits than its factorization.

1304132313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3592676 (or 3592665 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1304132313 is about 36112.7721588914. The cubic root of 1304132313 is about 1092.5480642906.

Adding to 1304132313 its reverse (3132314031), we get a palindrome (4436446344).

It can be divided in two parts, 13041 and 32313, that added together give a palindrome (45354).

The spelling of 1304132313 in words is "one billion, three hundred four million, one hundred thirty-two thousand, three hundred thirteen".