331333313030149 has 2 divisors, whose sum is σ = 331333313030150. Its totient is φ = 331333313030148.

The previous prime is 331333313030147. The next prime is 331333313030243. The reversal of 331333313030149 is 941030313333133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231249655541025 + 100083657489124 = 15206895^2 + 10004182^2 .

It is an emirp because it is prime and its reverse (941030313333133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 331333313030149 - 2¹ = 331333313030147 is a prime.

Together with 331333313030147, 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 (331333313030147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165666656515074 + 165666656515075.

It is an arithmetic number, because the mean of its divisors is an integer number (165666656515075).

Almost surely, 2^{331333313030149} is an apocalyptic number.

It is an amenable number.

331333313030149 is a deficient number, since it is larger than the sum of its proper divisors (1).

331333313030149 is an equidigital number, since it uses as much as digits as its factorization.

331333313030149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 236196, while the sum is 40.

The spelling of 331333313030149 in words is "three hundred thirty-one trillion, three hundred thirty-three billion, three hundred thirteen million, thirty thousand, one hundred forty-nine".