2231364131 has 4 divisors (see below), whose sum is σ = 2231485200. Its totient is φ = 2231243064.

The previous prime is 2231364119. The next prime is 2231364133. The reversal of 2231364131 is 1314631322.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2231364131 - 2²⁶ = 2164255267 is a prime.

It is a super-3 number, since 3×2231364131³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2231364131.

It is not an unprimeable number, because it can be changed into a prime (2231364133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26516 + ... + 71873.

It is an arithmetic number, because the mean of its divisors is an integer number (557871300).

Almost surely, 2^2231364131 is an apocalyptic number.

2231364131 is a deficient number, since it is larger than the sum of its proper divisors (121069).

2231364131 is an equidigital number, since it uses as much as digits as its factorization.

2231364131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121068.

The product of its digits is 2592, while the sum is 26.

The square root of 2231364131 is about 47237.3171443934. The cubic root of 2231364131 is about 1306.7429002520.

Adding to 2231364131 its reverse (1314631322), we get a palindrome (3545995453).

The spelling of 2231364131 in words is "two billion, two hundred thirty-one million, three hundred sixty-four thousand, one hundred thirty-one".