233331213 has 8 divisors (see below), whose sum is σ = 319516768. Its totient is φ = 151349904.

The previous prime is 233331209. The next prime is 233331221. The reversal of 233331213 is 312133332.

233331213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 233331213 - 2² = 233331209 is a prime.

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 233331213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233331223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1050931 + ... + 1051152.

It is an arithmetic number, because the mean of its divisors is an integer number (39939596).

Almost surely, 2^233331213 is an apocalyptic number.

It is an amenable number.

233331213 is a deficient number, since it is larger than the sum of its proper divisors (86185555).

233331213 is a wasteful number, since it uses less digits than its factorization.

233331213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102123.

The product of its digits is 972, while the sum is 21.

The square root of 233331213 is about 15275.1829121618. The cubic root of 233331213 is about 615.6363853461.

Adding to 233331213 its reverse (312133332), we get a palindrome (545464545).

The spelling of 233331213 in words is "two hundred thirty-three million, three hundred thirty-one thousand, two hundred thirteen".