232133213131 has 32 divisors (see below), whose sum is σ = 249397125120. Its totient is φ = 215535751200.

The previous prime is 232133213111. The next prime is 232133213197. The reversal of 232133213131 is 131312331232.

It is a cyclic number.

It is not a de Polignac number, because 232133213131 - 2²³ = 232124824523 is a prime.

It is a super-2 number, since 2×232133213131² (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 = 232133213096 and 232133213105.

It is not an unprimeable number, because it can be changed into a prime (232133213111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124068126 + ... + 124069996.

It is an arithmetic number, because the mean of its divisors is an integer number (7793660160).

Almost surely, 2^232133213131 is an apocalyptic number.

232133213131 is a deficient number, since it is larger than the sum of its proper divisors (17263911989).

232133213131 is a wasteful number, since it uses less digits than its factorization.

232133213131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647.

The product of its digits is 1944, while the sum is 25.

Adding to 232133213131 its reverse (131312331232), we get a palindrome (363445544363).

The spelling of 232133213131 in words is "two hundred thirty-two billion, one hundred thirty-three million, two hundred thirteen thousand, one hundred thirty-one".