232113211031 has 4 divisors (see below), whose sum is σ = 249968073432. Its totient is φ = 214258348632.

The previous prime is 232113211007. The next prime is 232113211081. The reversal of 232113211031 is 130112311232.

It is a happy number.

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 232113211031 - 2³⁰ = 231039469207 is a prime.

It is a super-2 number, since 2×232113211031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232113210994 and 232113211012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232113211081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8927431181 + ... + 8927431206.

It is an arithmetic number, because the mean of its divisors is an integer number (62492018358).

Almost surely, 2^232113211031 is an apocalyptic number.

232113211031 is a deficient number, since it is larger than the sum of its proper divisors (17854862401).

232113211031 is a wasteful number, since it uses less digits than its factorization.

232113211031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17854862400.

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

Adding to 232113211031 its reverse (130112311232), we get a palindrome (362225522263).

The spelling of 232113211031 in words is "two hundred thirty-two billion, one hundred thirteen million, two hundred eleven thousand, thirty-one".