233312313 has 16 divisors (see below), whose sum is σ = 335631296. Its totient is φ = 143311680.

The previous prime is 233312311. The next prime is 233312327. The reversal of 233312313 is 313213332.

It is not a de Polignac number, because 233312313 - 2¹ = 233312311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233312313.

It is not an unprimeable number, because it can be changed into a prime (233312311) 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, 17031 + ... + 27507.

It is an arithmetic number, because the mean of its divisors is an integer number (20976956).

Almost surely, 2^233312313 is an apocalyptic number.

It is an amenable number.

233312313 is a deficient number, since it is larger than the sum of its proper divisors (102318983).

233312313 is a wasteful number, since it uses less digits than its factorization.

233312313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11064.

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

The square root of 233312313 is about 15274.5642491038. The cubic root of 233312313 is about 615.6197625638.

Adding to 233312313 its reverse (313213332), we get a palindrome (546525645).

The spelling of 233312313 in words is "two hundred thirty-three million, three hundred twelve thousand, three hundred thirteen".