2232131131 has 4 divisors (see below), whose sum is σ = 2309101200. Its totient is φ = 2155161064.

The previous prime is 2232131107. The next prime is 2232131137. The reversal of 2232131131 is 1311312322.

2232131131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2232131131 - 2⁹ = 2232130619 is a prime.

It is a super-3 number, since 3×2232131131³ (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 junction number, because it is equal to n+sod(n) for n = 2232131099 and 2232131108.

It is not an unprimeable number, because it can be changed into a prime (2232131137) 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, 38484991 + ... + 38485048.

It is an arithmetic number, because the mean of its divisors is an integer number (577275300).

Almost surely, 2^2232131131 is an apocalyptic number.

2232131131 is a deficient number, since it is larger than the sum of its proper divisors (76970069).

2232131131 is an equidigital number, since it uses as much as digits as its factorization.

2232131131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76970068.

The product of its digits is 216, while the sum is 19.

The square root of 2232131131 is about 47245.4350281591. The cubic root of 2232131131 is about 1306.8926079239.

Adding to 2232131131 its reverse (1311312322), we get a palindrome (3543443453).

The spelling of 2232131131 in words is "two billion, two hundred thirty-two million, one hundred thirty-one thousand, one hundred thirty-one".