11431040413 has 8 divisors (see below), whose sum is σ = 12311471648. Its totient is φ = 10550769264.

The previous prime is 11431040377. The next prime is 11431040441. The reversal of 11431040413 is 31404013411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11431040413 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 (11431047413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137470 + ... + 204352.

It is an arithmetic number, because the mean of its divisors is an integer number (1538933956).

Almost surely, 2^11431040413 is an apocalyptic number.

11431040413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11431040413 is a deficient number, since it is larger than the sum of its proper divisors (880431235).

11431040413 is a wasteful number, since it uses less digits than its factorization.

11431040413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80043.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11431040413 its reverse (31404013411), we get a palindrome (42835053824).

The spelling of 11431040413 in words is "eleven billion, four hundred thirty-one million, forty thousand, four hundred thirteen".