1313161200 has 480 divisors, whose sum is σ = 5166336000. Its totient is φ = 314772480.

The previous prime is 1313161181. The next prime is 1313161237. The reversal of 1313161200 is 21613131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6598701 + ... + 6598899.

It is an arithmetic number, because the mean of its divisors is an integer number (10763200).

Almost surely, 2^1313161200 is an apocalyptic number.

1313161200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313161200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2583168000).

1313161200 is an abundant number, since it is smaller than the sum of its proper divisors (3853174800).

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

1313161200 is a wasteful number, since it uses less digits than its factorization.

1313161200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1313161200 is about 36237.5661434374. The cubic root of 1313161200 is about 1095.0636104912.

Adding to 1313161200 its reverse (21613131), we get a palindrome (1334774331).

The spelling of 1313161200 in words is "one billion, three hundred thirteen million, one hundred sixty-one thousand, two hundred".