331420322241193 has 2 divisors, whose sum is σ = 331420322241194. Its totient is φ = 331420322241192.

The previous prime is 331420322241191. The next prime is 331420322241233. The reversal of 331420322241193 is 391142223024133.

It is an a-pointer prime, because the next prime (331420322241233) can be obtained adding 331420322241193 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 293537872904809 + 37882449336384 = 17132947^2 + 6154872^2 .

It is a cyclic number.

It is not a de Polignac number, because 331420322241193 - 2¹ = 331420322241191 is a prime.

Together with 331420322241191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (331420322241191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165710161120596 + 165710161120597.

It is an arithmetic number, because the mean of its divisors is an integer number (165710161120597).

Almost surely, 2^{331420322241193} is an apocalyptic number.

It is an amenable number.

331420322241193 is a deficient number, since it is larger than the sum of its proper divisors (1).

331420322241193 is an equidigital number, since it uses as much as digits as its factorization.

331420322241193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 331420322241193 in words is "three hundred thirty-one trillion, four hundred twenty billion, three hundred twenty-two million, two hundred forty-one thousand, one hundred ninety-three".