313332221233 has 4 divisors (see below), whose sum is σ = 313448747620. Its totient is φ = 313215694848.

The previous prime is 313332221171. The next prime is 313332221243. The reversal of 313332221233 is 332122233313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50007246129 + 263324975104 = 223623^2 + 513152^2 .

It is a cyclic number.

It is not a de Polignac number, because 313332221233 - 2³⁷ = 175893267761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313332221243) 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, 58259160 + ... + 58264537.

It is an arithmetic number, because the mean of its divisors is an integer number (78362186905).

Almost surely, 2^313332221233 is an apocalyptic number.

It is an amenable number.

313332221233 is a deficient number, since it is larger than the sum of its proper divisors (116526387).

313332221233 is a wasteful number, since it uses less digits than its factorization.

313332221233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116526386.

The product of its digits is 11664, while the sum is 28.

Adding to 313332221233 its reverse (332122233313), we get a palindrome (645454454546).

The spelling of 313332221233 in words is "three hundred thirteen billion, three hundred thirty-two million, two hundred twenty-one thousand, two hundred thirty-three".