312442422222431 has 2 divisors, whose sum is σ = 312442422222432. Its totient is φ = 312442422222430.

The previous prime is 312442422222389. The next prime is 312442422222493. The reversal of 312442422222431 is 134222224244213.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312442422222431 is a prime.

It is a super-2 number, since 2×312442422222431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312442424222431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156221211111215 + 156221211111216.

It is an arithmetic number, because the mean of its divisors is an integer number (156221211111216).

Almost surely, 2^{312442422222431} is an apocalyptic number.

312442422222431 is a deficient number, since it is larger than the sum of its proper divisors (1).

312442422222431 is an equidigital number, since it uses as much as digits as its factorization.

312442422222431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 294912, while the sum is 38.

Adding to 312442422222431 its reverse (134222224244213), we get a palindrome (446664646466644).

The spelling of 312442422222431 in words is "three hundred twelve trillion, four hundred forty-two billion, four hundred twenty-two million, two hundred twenty-two thousand, four hundred thirty-one".