233012112131 has 16 divisors (see below), whose sum is σ = 245832620544. Its totient is φ = 220419158784.

The previous prime is 233012112119. The next prime is 233012112133. The reversal of 233012112131 is 131211210332.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233012112131 is a prime.

It is a super-2 number, since 2×233012112131² (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 (233012112133) 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, 3011576 + ... + 3087978.

It is an arithmetic number, because the mean of its divisors is an integer number (15364538784).

Almost surely, 2^233012112131 is an apocalyptic number.

233012112131 is a deficient number, since it is larger than the sum of its proper divisors (12820508413).

233012112131 is a wasteful number, since it uses less digits than its factorization.

233012112131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77890.

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

Adding to 233012112131 its reverse (131211210332), we get a palindrome (364223322463).

The spelling of 233012112131 in words is "two hundred thirty-three billion, twelve million, one hundred twelve thousand, one hundred thirty-one".