1313323113 has 16 divisors (see below), whose sum is σ = 1762338816. Its totient is φ = 869946000.

The previous prime is 1313323057. The next prime is 1313323127. The reversal of 1313323113 is 3113233131.

It is not a de Polignac number, because 1313323113 - 2¹² = 1313319017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1313323113.

It is not an unprimeable number, because it can be changed into a prime (1313323133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346756 + ... + 350522.

It is an arithmetic number, because the mean of its divisors is an integer number (110146176).

Almost surely, 2^1313323113 is an apocalyptic number.

It is an amenable number.

1313323113 is a deficient number, since it is larger than the sum of its proper divisors (449015703).

1313323113 is a wasteful number, since it uses less digits than its factorization.

1313323113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484.

The product of its digits is 486, while the sum is 21.

The square root of 1313323113 is about 36239.8001236210. The cubic root of 1313323113 is about 1095.1086158182.

Adding to 1313323113 its reverse (3113233131), we get a palindrome (4426556244).

The spelling of 1313323113 in words is "one billion, three hundred thirteen million, three hundred twenty-three thousand, one hundred thirteen".