331213444444427 has 2 divisors, whose sum is σ = 331213444444428. Its totient is φ = 331213444444426.

The previous prime is 331213444444327. The next prime is 331213444444453. The reversal of 331213444444427 is 724444444312133.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 331213444444427 - 2¹² = 331213444440331 is a prime.

It is not a weakly prime, because it can be changed into another prime (331213444444327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165606722222213 + 165606722222214.

It is an arithmetic number, because the mean of its divisors is an integer number (165606722222214).

Almost surely, 2^{331213444444427} is an apocalyptic number.

331213444444427 is a deficient number, since it is larger than the sum of its proper divisors (1).

331213444444427 is an equidigital number, since it uses as much as digits as its factorization.

331213444444427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12386304, while the sum is 50.

The spelling of 331213444444427 in words is "three hundred thirty-one trillion, two hundred thirteen billion, four hundred forty-four million, four hundred forty-four thousand, four hundred twenty-seven".