2312213233 has 4 divisors (see below), whose sum is σ = 2522414448. Its totient is φ = 2102012020.

The previous prime is 2312213221. The next prime is 2312213237. The reversal of 2312213233 is 3323122132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2312213233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312213237) 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, 105100591 + ... + 105100612.

It is an arithmetic number, because the mean of its divisors is an integer number (630603612).

Almost surely, 2^2312213233 is an apocalyptic number.

It is an amenable number.

2312213233 is a deficient number, since it is larger than the sum of its proper divisors (210201215).

2312213233 is a wasteful number, since it uses less digits than its factorization.

2312213233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210201214.

The product of its digits is 1296, while the sum is 22.

The square root of 2312213233 is about 48085.4784004485. The cubic root of 2312213233 is about 1322.3384537579.

Adding to 2312213233 its reverse (3323122132), we get a palindrome (5635335365).

The spelling of 2312213233 in words is "two billion, three hundred twelve million, two hundred thirteen thousand, two hundred thirty-three".