331344443249 has 2 divisors, whose sum is σ = 331344443250. Its totient is φ = 331344443248.

The previous prime is 331344443233. The next prime is 331344443263. The reversal of 331344443249 is 942344443133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237505149025 + 93839294224 = 487345^2 + 306332^2 .

It is a cyclic number.

It is not a de Polignac number, because 331344443249 - 2⁴ = 331344443233 is a prime.

It is not a weakly prime, because it can be changed into another prime (331344443279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165672221624 + 165672221625.

It is an arithmetic number, because the mean of its divisors is an integer number (165672221625).

Almost surely, 2^331344443249 is an apocalyptic number.

It is an amenable number.

331344443249 is a deficient number, since it is larger than the sum of its proper divisors (1).

331344443249 is an equidigital number, since it uses as much as digits as its factorization.

331344443249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 44.

The spelling of 331344443249 in words is "three hundred thirty-one billion, three hundred forty-four million, four hundred forty-three thousand, two hundred forty-nine".