232311211131 has 16 divisors (see below), whose sum is σ = 326636236800. Its totient is φ = 146459433888.

The previous prime is 232311211123. The next prime is 232311211133. The reversal of 232311211131 is 131112113232.

It is not a de Polignac number, because 232311211131 - 2³ = 232311211123 is a prime.

It is a super-2 number, since 2×232311211131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 232311211098 and 232311211107.

It is not an unprimeable number, because it can be changed into a prime (232311211133) 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, 3626811 + ... + 3690308.

It is an arithmetic number, because the mean of its divisors is an integer number (20414764800).

Almost surely, 2^232311211131 is an apocalyptic number.

232311211131 is a deficient number, since it is larger than the sum of its proper divisors (94325025669).

232311211131 is a wasteful number, since it uses less digits than its factorization.

232311211131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7317698.

The product of its digits is 216, while the sum is 21.

Adding to 232311211131 its reverse (131112113232), we get a palindrome (363423324363).

The spelling of 232311211131 in words is "two hundred thirty-two billion, three hundred eleven million, two hundred eleven thousand, one hundred thirty-one".