11342203231 has 16 divisors (see below), whose sum is σ = 11794742784. Its totient is φ = 10899831744.

The previous prime is 11342203207. The next prime is 11342203237. The reversal of 11342203231 is 13230224311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11342203231 is a prime.

It is a super-2 number, since 2×11342203231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11342203237) 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, 771556 + ... + 786118.

It is an arithmetic number, because the mean of its divisors is an integer number (737171424).

Almost surely, 2^11342203231 is an apocalyptic number.

11342203231 is a deficient number, since it is larger than the sum of its proper divisors (452539553).

11342203231 is a wasteful number, since it uses less digits than its factorization.

11342203231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14910.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 11342203231 its reverse (13230224311), we get a palindrome (24572427542).

The spelling of 11342203231 in words is "eleven billion, three hundred forty-two million, two hundred three thousand, two hundred thirty-one".