11431115313 has 32 divisors (see below), whose sum is σ = 16151287680. Its totient is φ = 7183088640.

The previous prime is 11431115279. The next prime is 11431115329. The reversal of 11431115313 is 31351113411.

11431115313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11431115313 - 2⁹ = 11431114801 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11431115393) 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 31 ways as a sum of consecutive naturals, for example, 403353 + ... + 430761.

It is an arithmetic number, because the mean of its divisors is an integer number (504727740).

Almost surely, 2^11431115313 is an apocalyptic number.

It is an amenable number.

11431115313 is a deficient number, since it is larger than the sum of its proper divisors (4720172367).

11431115313 is a wasteful number, since it uses less digits than its factorization.

11431115313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27569.

The product of its digits is 540, while the sum is 24.

Adding to 11431115313 its reverse (31351113411), we get a palindrome (42782228724).

The spelling of 11431115313 in words is "eleven billion, four hundred thirty-one million, one hundred fifteen thousand, three hundred thirteen".