233022312131 has 16 divisors (see below), whose sum is σ = 268258080000. Its totient is φ = 198276126048.

The previous prime is 233022312077. The next prime is 233022312137. The reversal of 233022312131 is 131213220332.

It is a de Polignac number, because none of the positive numbers 2^k-233022312131 is a prime.

It is a super-2 number, since 2×233022312131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233022312097 and 233022312106.

It is not an unprimeable number, because it can be changed into a prime (233022312137) 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, 861245 + ... + 1098993.

It is an arithmetic number, because the mean of its divisors is an integer number (16766130000).

Almost surely, 2^233022312131 is an apocalyptic number.

233022312131 is a deficient number, since it is larger than the sum of its proper divisors (35235767869).

233022312131 is a wasteful number, since it uses less digits than its factorization.

233022312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238778.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 233022312131 its reverse (131213220332), we get a palindrome (364235532463).

The spelling of 233022312131 in words is "two hundred thirty-three billion, twenty-two million, three hundred twelve thousand, one hundred thirty-one".