233203131220213 has 16 divisors (see below), whose sum is σ = 290749798295424. Its totient is φ = 181714827317760.

The previous prime is 233203131220177. The next prime is 233203131220243. The reversal of 233203131220213 is 312022131302332.

It is a happy number.

It is not a de Polignac number, because 233203131220213 - 2³³ = 233194541285621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233203131220243) 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, 8377920 + ... + 23164537.

It is an arithmetic number, because the mean of its divisors is an integer number (18171862393464).

Almost surely, 2^{233203131220213} is an apocalyptic number.

It is an amenable number.

233203131220213 is a deficient number, since it is larger than the sum of its proper divisors (57546667075211).

233203131220213 is a wasteful number, since it uses less digits than its factorization.

233203131220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31638492.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 233203131220213 its reverse (312022131302332), we get a palindrome (545225262522545).

The spelling of 233203131220213 in words is "two hundred thirty-three trillion, two hundred three billion, one hundred thirty-one million, two hundred twenty thousand, two hundred thirteen".