331212032093 has 2 divisors, whose sum is σ = 331212032094. Its totient is φ = 331212032092.

The previous prime is 331212032089. The next prime is 331212032149. The reversal of 331212032093 is 390230212133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294091459204 + 37120572889 = 542302^2 + 192667^2 .

It is a cyclic number.

It is not a de Polignac number, because 331212032093 - 2² = 331212032089 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331212032033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165606016046 + 165606016047.

It is an arithmetic number, because the mean of its divisors is an integer number (165606016047).

Almost surely, 2^331212032093 is an apocalyptic number.

It is an amenable number.

331212032093 is a deficient number, since it is larger than the sum of its proper divisors (1).

331212032093 is an equidigital number, since it uses as much as digits as its factorization.

331212032093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 29.

The spelling of 331212032093 in words is "three hundred thirty-one billion, two hundred twelve million, thirty-two thousand, ninety-three".