232100212131 has 16 divisors (see below), whose sum is σ = 345093520800. Its totient is φ = 154174865184.

The previous prime is 232100212129. The next prime is 232100212147. The reversal of 232100212131 is 131212001232.

232100212131 is a `hidden beast` number, since 2 + 321 + 0 + 0 + 212 + 131 = 666.

It is not a de Polignac number, because 232100212131 - 2¹ = 232100212129 is a prime.

It is a super-2 number, since 2×232100212131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (232100212111) 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, 15509316 + ... + 15524273.

It is an arithmetic number, because the mean of its divisors is an integer number (21568345050).

Almost surely, 2^232100212131 is an apocalyptic number.

232100212131 is a deficient number, since it is larger than the sum of its proper divisors (112993308669).

232100212131 is a wasteful number, since it uses less digits than its factorization.

232100212131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31033875 (or 31033869 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 232100212131 its reverse (131212001232), we get a palindrome (363312213363).

The spelling of 232100212131 in words is "two hundred thirty-two billion, one hundred million, two hundred twelve thousand, one hundred thirty-one".