233112122131 has 16 divisors (see below), whose sum is σ = 280800561600. Its totient is φ = 189280361088.

The previous prime is 233112122129. The next prime is 233112122143. The reversal of 233112122131 is 131221211332.

It is not a de Polignac number, because 233112122131 - 2¹ = 233112122129 is a prime.

It is a super-2 number, since 2×233112122131² (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 (233112122171) 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 15 ways as a sum of consecutive naturals, for example, 10822596 + ... + 10844113.

It is an arithmetic number, because the mean of its divisors is an integer number (17550035100).

Almost surely, 2^233112122131 is an apocalyptic number.

233112122131 is a deficient number, since it is larger than the sum of its proper divisors (47688439469).

233112122131 is a wasteful number, since it uses less digits than its factorization.

233112122131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21666798.

The product of its digits is 432, while the sum is 22.

Adding to 233112122131 its reverse (131221211332), we get a palindrome (364333333463).

The spelling of 233112122131 in words is "two hundred thirty-three billion, one hundred twelve million, one hundred twenty-two thousand, one hundred thirty-one".