331232316049 has 2 divisors, whose sum is σ = 331232316050. Its totient is φ = 331232316048.

The previous prime is 331232316017. The next prime is 331232316061. The reversal of 331232316049 is 940613232133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227929856400 + 103302459649 = 477420^2 + 321407^2 .

It is an emirp because it is prime and its reverse (940613232133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 331232316049 - 2⁵ = 331232316017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331232315999 and 331232316017.

It is not a weakly prime, because it can be changed into another prime (331232316949) 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, 165616158024 + 165616158025.

It is an arithmetic number, because the mean of its divisors is an integer number (165616158025).

Almost surely, 2^331232316049 is an apocalyptic number.

It is an amenable number.

331232316049 is a deficient number, since it is larger than the sum of its proper divisors (1).

331232316049 is an equidigital number, since it uses as much as digits as its factorization.

331232316049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 37.

The spelling of 331232316049 in words is "three hundred thirty-one billion, two hundred thirty-two million, three hundred sixteen thousand, forty-nine".