11232343131 has 4 divisors (see below), whose sum is σ = 14976457512. Its totient is φ = 7488228752.

The previous prime is 11232343093. The next prime is 11232343141. The reversal of 11232343131 is 13134323211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11232343131 - 2¹¹ = 11232341083 is a prime.

It is a super-2 number, since 2×11232343131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11232343141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1872057186 + ... + 1872057191.

It is an arithmetic number, because the mean of its divisors is an integer number (3744114378).

Almost surely, 2^11232343131 is an apocalyptic number.

11232343131 is a deficient number, since it is larger than the sum of its proper divisors (3744114381).

11232343131 is an equidigital number, since it uses as much as digits as its factorization.

11232343131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744114380.

The product of its digits is 1296, while the sum is 24.

Adding to 11232343131 its reverse (13134323211), we get a palindrome (24366666342).

The spelling of 11232343131 in words is "eleven billion, two hundred thirty-two million, three hundred forty-three thousand, one hundred thirty-one".