233131312122 has 8 divisors (see below), whose sum is σ = 466262624256. Its totient is φ = 77710437372.

The previous prime is 233131312067. The next prime is 233131312123. The reversal of 233131312122 is 221213131332.

It is a sphenic number, since it is the product of 3 distinct primes.

233131312122 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 233131312092 and 233131312101.

It is not an unprimeable number, because it can be changed into a prime (233131312123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19427609338 + ... + 19427609349.

It is an arithmetic number, because the mean of its divisors is an integer number (58282828032).

Almost surely, 2^233131312122 is an apocalyptic number.

233131312122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233131312122 is a wasteful number, since it uses less digits than its factorization.

233131312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38855218692.

The product of its digits is 1296, while the sum is 24.

Adding to 233131312122 its reverse (221213131332), we get a palindrome (454344443454).

The spelling of 233131312122 in words is "two hundred thirty-three billion, one hundred thirty-one million, three hundred twelve thousand, one hundred twenty-two".