312225014081 has 2 divisors, whose sum is σ = 312225014082. Its totient is φ = 312225014080.

The previous prime is 312225013999. The next prime is 312225014089. The reversal of 312225014081 is 180410522213.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 289600041025 + 22624973056 = 538145^2 + 150416^2 .

It is a cyclic number.

It is not a de Polignac number, because 312225014081 - 2³⁸ = 37347107137 is a prime.

It is a super-2 number, since 2×312225014081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (312225014089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156112507040 + 156112507041.

It is an arithmetic number, because the mean of its divisors is an integer number (156112507041).

Almost surely, 2^312225014081 is an apocalyptic number.

It is an amenable number.

312225014081 is a deficient number, since it is larger than the sum of its proper divisors (1).

312225014081 is an equidigital number, since it uses as much as digits as its factorization.

312225014081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 312225014081 its reverse (180410522213), we get a palindrome (492635536294).

The spelling of 312225014081 in words is "three hundred twelve billion, two hundred twenty-five million, fourteen thousand, eighty-one".