1313200344 has 32 divisors (see below), whose sum is σ = 3284115120. Its totient is φ = 437584896.

The previous prime is 1313200313. The next prime is 1313200367. The reversal of 1313200344 is 4430023131.

It is a self number, because there is not a number n which added to its sum of digits gives 1313200344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80704 + ... + 95600.

Almost surely, 2^1313200344 is an apocalyptic number.

It is an amenable number.

1313200344 is an abundant number, since it is smaller than the sum of its proper divisors (1970914776).

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

1313200344 is a wasteful number, since it uses less digits than its factorization.

1313200344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18579 (or 18575 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1313200344 is about 36238.1062419106. The cubic root of 1313200344 is about 1095.0744912940.

Adding to 1313200344 its reverse (4430023131), we get a palindrome (5743223475).

The spelling of 1313200344 in words is "one billion, three hundred thirteen million, two hundred thousand, three hundred forty-four".