1311413311 has 16 divisors (see below), whose sum is σ = 1472146144. Its totient is φ = 1160210304.

The previous prime is 1311413297. The next prime is 1311413357. The reversal of 1311413311 is 1133141131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1311413311 - 2²⁹ = 774542399 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 (1311443311) 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, 11881 + ... + 52573.

It is an arithmetic number, because the mean of its divisors is an integer number (92009134).

Almost surely, 2^1311413311 is an apocalyptic number.

1311413311 is a deficient number, since it is larger than the sum of its proper divisors (160732833).

1311413311 is a wasteful number, since it uses less digits than its factorization.

1311413311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40810.

The product of its digits is 108, while the sum is 19.

The square root of 1311413311 is about 36213.4410267790. The cubic root of 1311413311 is about 1094.5775316807.

Adding to 1311413311 its reverse (1133141131), we get a palindrome (2444554442).

The spelling of 1311413311 in words is "one billion, three hundred eleven million, four hundred thirteen thousand, three hundred eleven".