312213233231233 has 2 divisors, whose sum is σ = 312213233231234. Its totient is φ = 312213233231232.

The previous prime is 312213233231227. The next prime is 312213233231281. The reversal of 312213233231233 is 332132332312213.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311661173829184 + 552059402049 = 17653928^2 + 743007^2 .

It is a cyclic number.

It is not a de Polignac number, because 312213233231233 - 2⁵ = 312213233231201 is a prime.

It is not a weakly prime, because it can be changed into another prime (312213233231203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156106616615616 + 156106616615617.

It is an arithmetic number, because the mean of its divisors is an integer number (156106616615617).

Almost surely, 2^{312213233231233} is an apocalyptic number.

It is an amenable number.

312213233231233 is a deficient number, since it is larger than the sum of its proper divisors (1).

312213233231233 is an equidigital number, since it uses as much as digits as its factorization.

312213233231233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 34.

Adding to 312213233231233 its reverse (332132332312213), we get a palindrome (644345565543446).

The spelling of 312213233231233 in words is "three hundred twelve trillion, two hundred thirteen billion, two hundred thirty-three million, two hundred thirty-one thousand, two hundred thirty-three".