1311430304 has 24 divisors (see below), whose sum is σ = 2630596500. Its totient is φ = 643342336.

The previous prime is 1311430283. The next prime is 1311430313. The reversal of 1311430304 is 4030341131.

It can be written as a sum of positive squares in 2 ways, for example, as 1306677904 + 4752400 = 36148^2 + 2180^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384929 + ... + 388320.

Almost surely, 2^1311430304 is an apocalyptic number.

It is an amenable number.

1311430304 is an abundant number, since it is smaller than the sum of its proper divisors (1319166196).

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

1311430304 is an equidigital number, since it uses as much as digits as its factorization.

1311430304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773312 (or 773304 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1311430304 is about 36213.6756488485. The cubic root of 1311430304 is about 1094.5822594238.

Adding to 1311430304 its reverse (4030341131), we get a palindrome (5341771435).

The spelling of 1311430304 in words is "one billion, three hundred eleven million, four hundred thirty thousand, three hundred four".