312332424031421 has 2 divisors, whose sum is σ = 312332424031422. Its totient is φ = 312332424031420.

The previous prime is 312332424031391. The next prime is 312332424031493. The reversal of 312332424031421 is 124130424233213.

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., 160161325896196 + 152171098135225 = 12655486^2 + 12335765^2 .

It is a cyclic number.

It is not a de Polignac number, because 312332424031421 - 2¹⁴ = 312332424015037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312332424001421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156166212015710 + 156166212015711.

It is an arithmetic number, because the mean of its divisors is an integer number (156166212015711).

Almost surely, 2^{312332424031421} is an apocalyptic number.

It is an amenable number.

312332424031421 is a deficient number, since it is larger than the sum of its proper divisors (1).

312332424031421 is an equidigital number, since it uses as much as digits as its factorization.

312332424031421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 312332424031421 its reverse (124130424233213), we get a palindrome (436462848264634).

The spelling of 312332424031421 in words is "three hundred twelve trillion, three hundred thirty-two billion, four hundred twenty-four million, thirty-one thousand, four hundred twenty-one".