232243131 has 4 divisors (see below), whose sum is σ = 309657512. Its totient is φ = 154828752.

The previous prime is 232243111. The next prime is 232243159. The reversal of 232243131 is 131342232.

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

It is not a de Polignac number, because 232243131 - 2¹¹ = 232241083 is a prime.

It is a super-2 number, since 2×232243131² = 107873743793366322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232243098 and 232243107.

It is not an unprimeable number, because it can be changed into a prime (232243111) 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, 38707186 + ... + 38707191.

It is an arithmetic number, because the mean of its divisors is an integer number (77414378).

Almost surely, 2^232243131 is an apocalyptic number.

232243131 is a deficient number, since it is larger than the sum of its proper divisors (77414381).

232243131 is an equidigital number, since it uses as much as digits as its factorization.

232243131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77414380.

The product of its digits is 864, while the sum is 21.

The square root of 232243131 is about 15239.5252878822. The cubic root of 232243131 is about 614.6779383199.

Adding to 232243131 its reverse (131342232), we get a palindrome (363585363).

The spelling of 232243131 in words is "two hundred thirty-two million, two hundred forty-three thousand, one hundred thirty-one".