1313122113 has 24 divisors (see below), whose sum is σ = 1931342400. Its totient is φ = 859479264.

The previous prime is 1313122093. The next prime is 1313122127. The reversal of 1313122113 is 3112213131.

It is not a de Polignac number, because 1313122113 - 2⁸ = 1313121857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313122163) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 767503 + ... + 769211.

It is an arithmetic number, because the mean of its divisors is an integer number (80472600).

Almost surely, 2^1313122113 is an apocalyptic number.

It is an amenable number.

1313122113 is a deficient number, since it is larger than the sum of its proper divisors (618220287).

1313122113 is a wasteful number, since it uses less digits than its factorization.

1313122113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221 (or 3218 counting only the distinct ones).

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

The square root of 1313122113 is about 36237.0268234026. The cubic root of 1313122113 is about 1095.0527453169.

Adding to 1313122113 its reverse (3112213131), we get a palindrome (4425335244).

The spelling of 1313122113 in words is "one billion, three hundred thirteen million, one hundred twenty-two thousand, one hundred thirteen".