1311113297 has 16 divisors (see below), whose sum is σ = 1491725760. Its totient is φ = 1142361792.

The previous prime is 1311113273. The next prime is 1311113299. The reversal of 1311113297 is 7923111131.

It is not a de Polignac number, because 1311113297 - 2⁶ = 1311113233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311113299) 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, 58838 + ... + 78000.

It is an arithmetic number, because the mean of its divisors is an integer number (93232860).

Almost surely, 2^1311113297 is an apocalyptic number.

It is an amenable number.

1311113297 is a deficient number, since it is larger than the sum of its proper divisors (180612463).

1311113297 is a wasteful number, since it uses less digits than its factorization.

1311113297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19472.

The product of its digits is 1134, while the sum is 29.

The square root of 1311113297 is about 36209.2984880956. The cubic root of 1311113297 is about 1094.4940559308.

The spelling of 1311113297 in words is "one billion, three hundred eleven million, one hundred thirteen thousand, two hundred ninety-seven".