232013121131 has 12 divisors (see below), whose sum is σ = 255048741696. Its totient is φ = 210899470320.

The previous prime is 232013121113. The next prime is 232013121143. The reversal of 232013121131 is 131121310232.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-232013121131 is a prime.

It is a super-2 number, since 2×232013121131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232013121031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1157510 + ... + 1343076.

It is an arithmetic number, because the mean of its divisors is an integer number (21254061808).

Almost surely, 2^232013121131 is an apocalyptic number.

232013121131 is a deficient number, since it is larger than the sum of its proper divisors (23035620565).

232013121131 is a wasteful number, since it uses less digits than its factorization.

232013121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195922 (or 195911 counting only the distinct ones).

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

Adding to 232013121131 its reverse (131121310232), we get a palindrome (363134431363).

The spelling of 232013121131 in words is "two hundred thirty-two billion, thirteen million, one hundred twenty-one thousand, one hundred thirty-one".