232120131 has 16 divisors (see below), whose sum is σ = 328137600. Its totient is φ = 145542528.

The previous prime is 232120123. The next prime is 232120139. The reversal of 232120131 is 131021232.

It is an interprime number because it is at equal distance from previous prime (232120123) and next prime (232120139).

It is not a de Polignac number, because 232120131 - 2³ = 232120123 is a prime.

It is a super-2 number, since 2×232120131² = 107759510430914322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 232120131.

It is not an unprimeable number, because it can be changed into a prime (232120139) 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, 6726 + ... + 22571.

It is an arithmetic number, because the mean of its divisors is an integer number (20508600).

Almost surely, 2^232120131 is an apocalyptic number.

232120131 is a deficient number, since it is larger than the sum of its proper divisors (96017469).

232120131 is a wasteful number, since it uses less digits than its factorization.

232120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29458.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 232120131 is about 15235.4891946403. The cubic root of 232120131 is about 614.5694044495.

Adding to 232120131 its reverse (131021232), we get a palindrome (363141363).

It can be divided in two parts, 2321201 and 31, that added together give a palindrome (2321232).

The spelling of 232120131 in words is "two hundred thirty-two million, one hundred twenty thousand, one hundred thirty-one".