331413219197 has 2 divisors, whose sum is σ = 331413219198. Its totient is φ = 331413219196.

The previous prime is 331413219121. The next prime is 331413219229. The reversal of 331413219197 is 791912314133.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170809450681 + 160603768516 = 413291^2 + 400754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331413219197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331413219497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165706609598 + 165706609599.

It is an arithmetic number, because the mean of its divisors is an integer number (165706609599).

Almost surely, 2^331413219197 is an apocalyptic number.

It is an amenable number.

331413219197 is a deficient number, since it is larger than the sum of its proper divisors (1).

331413219197 is an equidigital number, since it uses as much as digits as its factorization.

331413219197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 44.

The spelling of 331413219197 in words is "three hundred thirty-one billion, four hundred thirteen million, two hundred nineteen thousand, one hundred ninety-seven".