232031121131 has 16 divisors (see below), whose sum is σ = 236493300960. Its totient is φ = 227591147520.

The previous prime is 232031121079. The next prime is 232031121139. The reversal of 232031121131 is 131121130232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 232031121131 - 2²² = 232026926827 is a prime.

It is a super-2 number, since 2×232031121131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (232031121139) 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, 35535275 + ... + 35541803.

It is an arithmetic number, because the mean of its divisors is an integer number (14780831310).

Almost surely, 2^232031121131 is an apocalyptic number.

232031121131 is a deficient number, since it is larger than the sum of its proper divisors (4462179829).

232031121131 is an equidigital number, since it uses as much as digits as its factorization.

232031121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8126.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 232031121131 its reverse (131121130232), we get a palindrome (363152251363).

The spelling of 232031121131 in words is "two hundred thirty-two billion, thirty-one million, one hundred twenty-one thousand, one hundred thirty-one".