1311513200 has 30 divisors (see below), whose sum is σ = 3150911424. Its totient is φ = 524605120.

The previous prime is 1311513113. The next prime is 1311513221. The reversal of 1311513200 is 23151131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1638992 + ... + 1639791.

Almost surely, 2^1311513200 is an apocalyptic number.

1311513200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311513200 is an abundant number, since it is smaller than the sum of its proper divisors (1839398224).

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

1311513200 is a wasteful number, since it uses less digits than its factorization.

1311513200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278801 (or 3278790 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1311513200 is about 36214.8201707533. The cubic root of 1311513200 is about 1094.6053219225.

Adding to 1311513200 its reverse (23151131), we get a palindrome (1334664331).

The spelling of 1311513200 in words is "one billion, three hundred eleven million, five hundred thirteen thousand, two hundred".