1313255111 has 16 divisors (see below), whose sum is σ = 1554811200. Its totient is φ = 1085296128.

The previous prime is 1313255063. The next prime is 1313255123. The reversal of 1313255111 is 1115523131.

It is not a de Polignac number, because 1313255111 - 2¹⁴ = 1313238727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313255711) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 152735 + ... + 161103.

It is an arithmetic number, because the mean of its divisors is an integer number (97175700).

Almost surely, 2^1313255111 is an apocalyptic number.

1313255111 is a deficient number, since it is larger than the sum of its proper divisors (241556089).

1313255111 is an equidigital number, since it uses as much as digits as its factorization.

1313255111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9178.

The product of its digits is 450, while the sum is 23.

The square root of 1313255111 is about 36238.8618888618. The cubic root of 1313255111 is about 1095.0897144372.

Adding to 1313255111 its reverse (1115523131), we get a palindrome (2428778242).

The spelling of 1313255111 in words is "one billion, three hundred thirteen million, two hundred fifty-five thousand, one hundred eleven".