331240242337 has 2 divisors, whose sum is σ = 331240242338. Its totient is φ = 331240242336.

The previous prime is 331240242301. The next prime is 331240242409. The reversal of 331240242337 is 733242042133.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204054572176 + 127185670161 = 451724^2 + 356631^2 .

It is a cyclic number.

It is not a de Polignac number, because 331240242337 - 2⁷ = 331240242209 is a prime.

It is not a weakly prime, because it can be changed into another prime (331240212337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165620121168 + 165620121169.

It is an arithmetic number, because the mean of its divisors is an integer number (165620121169).

Almost surely, 2^331240242337 is an apocalyptic number.

It is an amenable number.

331240242337 is a deficient number, since it is larger than the sum of its proper divisors (1).

331240242337 is an equidigital number, since it uses as much as digits as its factorization.

331240242337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 34.

The spelling of 331240242337 in words is "three hundred thirty-one billion, two hundred forty million, two hundred forty-two thousand, three hundred thirty-seven".