233213120431121 has 4 divisors (see below), whose sum is σ = 233213151706932. Its totient is φ = 233213089155312.

The previous prime is 233213120431099. The next prime is 233213120431163. The reversal of 233213120431121 is 121134021312332.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 187564665930625 + 45648454500496 = 13695425^2 + 6756364^2 .

It is a cyclic number.

It is not a de Polignac number, because 233213120431121 - 2²⁶ = 233213053322257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233213120431171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2769731 + ... + 21773783.

It is an arithmetic number, because the mean of its divisors is an integer number (58303287926733).

Almost surely, 2^{233213120431121} is an apocalyptic number.

It is an amenable number.

233213120431121 is a deficient number, since it is larger than the sum of its proper divisors (31275811).

233213120431121 is a wasteful number, since it uses less digits than its factorization.

233213120431121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31275810.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 233213120431121 its reverse (121134021312332), we get a palindrome (354347141743453).

The spelling of 233213120431121 in words is "two hundred thirty-three trillion, two hundred thirteen billion, one hundred twenty million, four hundred thirty-one thousand, one hundred twenty-one".