312021131351 has 2 divisors, whose sum is σ = 312021131352. Its totient is φ = 312021131350.

The previous prime is 312021131339. The next prime is 312021131369. The reversal of 312021131351 is 153131120213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312021131351 - 2³⁸ = 37143224407 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312021131251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156010565675 + 156010565676.

It is an arithmetic number, because the mean of its divisors is an integer number (156010565676).

Almost surely, 2^312021131351 is an apocalyptic number.

312021131351 is a deficient number, since it is larger than the sum of its proper divisors (1).

312021131351 is an equidigital number, since it uses as much as digits as its factorization.

312021131351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 312021131351 its reverse (153131120213), we get a palindrome (465152251564).

The spelling of 312021131351 in words is "three hundred twelve billion, twenty-one million, one hundred thirty-one thousand, three hundred fifty-one".