312320122253 has 2 divisors, whose sum is σ = 312320122254. Its totient is φ = 312320122252.

The previous prime is 312320122193. The next prime is 312320122267. The reversal of 312320122253 is 352221023213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306271482724 + 6048639529 = 553418^2 + 77773^2 .

It is a cyclic number.

It is not a de Polignac number, because 312320122253 - 2⁶ = 312320122189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312320122753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156160061126 + 156160061127.

It is an arithmetic number, because the mean of its divisors is an integer number (156160061127).

Almost surely, 2^312320122253 is an apocalyptic number.

It is an amenable number.

312320122253 is a deficient number, since it is larger than the sum of its proper divisors (1).

312320122253 is an equidigital number, since it uses as much as digits as its factorization.

312320122253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 312320122253 its reverse (352221023213), we get a palindrome (664541145466).

The spelling of 312320122253 in words is "three hundred twelve billion, three hundred twenty million, one hundred twenty-two thousand, two hundred fifty-three".