331003044240109 has 2 divisors, whose sum is σ = 331003044240110. Its totient is φ = 331003044240108.

The previous prime is 331003044240107. The next prime is 331003044240137. The reversal of 331003044240109 is 901042440300133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330807781886884 + 195262353225 = 18188122^2 + 441885^2 .

It is a cyclic number.

It is not a de Polignac number, because 331003044240109 - 2¹ = 331003044240107 is a prime.

Together with 331003044240107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331003044240107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165501522120054 + 165501522120055.

It is an arithmetic number, because the mean of its divisors is an integer number (165501522120055).

Almost surely, 2^{331003044240109} is an apocalyptic number.

It is an amenable number.

331003044240109 is a deficient number, since it is larger than the sum of its proper divisors (1).

331003044240109 is an equidigital number, since it uses as much as digits as its factorization.

331003044240109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 331003044240109 in words is "three hundred thirty-one trillion, three billion, forty-four million, two hundred forty thousand, one hundred nine".