233112312320131 has 4 divisors (see below), whose sum is σ = 234217110009064. Its totient is φ = 232007514631200.

The previous prime is 233112312320117. The next prime is 233112312320143. The reversal of 233112312320131 is 131023213211332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 233112312320131 - 2⁵ = 233112312320099 is a prime.

It is a super-2 number, since 2×233112312320131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 233112312320131.

It is not an unprimeable number, because it can be changed into a prime (233112312320171) 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 3 ways as a sum of consecutive naturals, for example, 552398844150 + ... + 552398844571.

It is an arithmetic number, because the mean of its divisors is an integer number (58554277502266).

Almost surely, 2^{233112312320131} is an apocalyptic number.

233112312320131 is a deficient number, since it is larger than the sum of its proper divisors (1104797688933).

233112312320131 is a wasteful number, since it uses less digits than its factorization.

233112312320131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104797688932.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 233112312320131 its reverse (131023213211332), we get a palindrome (364135525531463).

The spelling of 233112312320131 in words is "two hundred thirty-three trillion, one hundred twelve billion, three hundred twelve million, three hundred twenty thousand, one hundred thirty-one".