11231344131 has 16 divisors (see below), whose sum is σ = 17274380544. Its totient is φ = 6357929184.

The previous prime is 11231344123. The next prime is 11231344139. The reversal of 11231344131 is 13144313211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11231344123) and next prime (11231344139).

It is not a de Polignac number, because 11231344131 - 2³ = 11231344123 is a prime.

It is a super-2 number, since 2×11231344131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11231344139) 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, 2496940 + ... + 2501433.

It is an arithmetic number, because the mean of its divisors is an integer number (1079648784).

Almost surely, 2^11231344131 is an apocalyptic number.

11231344131 is a deficient number, since it is larger than the sum of its proper divisors (6043036413).

11231344131 is a wasteful number, since it uses less digits than its factorization.

11231344131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4998490.

The product of its digits is 864, while the sum is 24.

Adding to 11231344131 its reverse (13144313211), we get a palindrome (24375657342).

The spelling of 11231344131 in words is "eleven billion, two hundred thirty-one million, three hundred forty-four thousand, one hundred thirty-one".