331421412224393 has 2 divisors, whose sum is σ = 331421412224394. Its totient is φ = 331421412224392.

The previous prime is 331421412224323. The next prime is 331421412224411. The reversal of 331421412224393 is 393422214124133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 330689424177424 + 731988046969 = 18184868^2 + 855563^2 .

It is a cyclic number.

It is not a de Polignac number, because 331421412224393 - 2¹⁴ = 331421412208009 is a prime.

It is a super-2 number, since 2×331421412224393² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (331421412224323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165710706112196 + 165710706112197.

It is an arithmetic number, because the mean of its divisors is an integer number (165710706112197).

Almost surely, 2^{331421412224393} is an apocalyptic number.

It is an amenable number.

331421412224393 is a deficient number, since it is larger than the sum of its proper divisors (1).

331421412224393 is an equidigital number, since it uses as much as digits as its factorization.

331421412224393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 44.

The spelling of 331421412224393 in words is "three hundred thirty-one trillion, four hundred twenty-one billion, four hundred twelve million, two hundred twenty-four thousand, three hundred ninety-three".