1313321200 has 60 divisors (see below), whose sum is σ = 3257067328. Its totient is φ = 508377600.

The previous prime is 1313321197. The next prime is 1313321209. The reversal of 1313321200 is 21233131.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313321209) 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, 40557 + ... + 65356.

Almost surely, 2^1313321200 is an apocalyptic number.

1313321200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313321200 is an abundant number, since it is smaller than the sum of its proper divisors (1943746128).

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

1313321200 is a wasteful number, since it uses less digits than its factorization.

1313321200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105962 (or 105951 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1313321200 is about 36239.7737299780. The cubic root of 1313321200 is about 1095.1080841024.

Adding to 1313321200 its reverse (21233131), we get a palindrome (1334554331).

The spelling of 1313321200 in words is "one billion, three hundred thirteen million, three hundred twenty-one thousand, two hundred".