331321231120351 has 2 divisors, whose sum is σ = 331321231120352. Its totient is φ = 331321231120350.

The previous prime is 331321231120309. The next prime is 331321231120421. The reversal of 331321231120351 is 153021132123133.

It is a weak prime.

It is an emirp because it is prime and its reverse (153021132123133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 331321231120351 - 2²¹ = 331321229023199 is a prime.

It is a super-2 number, since 2×331321231120351² (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 (331321231120301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165660615560175 + 165660615560176.

It is an arithmetic number, because the mean of its divisors is an integer number (165660615560176).

Almost surely, 2^{331321231120351} is an apocalyptic number.

331321231120351 is a deficient number, since it is larger than the sum of its proper divisors (1).

331321231120351 is an equidigital number, since it uses as much as digits as its factorization.

331321231120351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

Adding to 331321231120351 its reverse (153021132123133), we get a palindrome (484342363243484).

The spelling of 331321231120351 in words is "three hundred thirty-one trillion, three hundred twenty-one billion, two hundred thirty-one million, one hundred twenty thousand, three hundred fifty-one".