331116653351149 has 2 divisors, whose sum is σ = 331116653351150. Its totient is φ = 331116653351148.

The previous prime is 331116653351117. The next prime is 331116653351189. The reversal of 331116653351149 is 941153356611133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316839644000100 + 14277009351049 = 17799990^2 + 3778493^2 .

It is an emirp because it is prime and its reverse (941153356611133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 331116653351149 - 2⁵ = 331116653351117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331116653351096 and 331116653351105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331116653351189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165558326675574 + 165558326675575.

It is an arithmetic number, because the mean of its divisors is an integer number (165558326675575).

Almost surely, 2^{331116653351149} is an apocalyptic number.

It is an amenable number.

331116653351149 is a deficient number, since it is larger than the sum of its proper divisors (1).

331116653351149 is an equidigital number, since it uses as much as digits as its factorization.

331116653351149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2624400, while the sum is 52.

The spelling of 331116653351149 in words is "three hundred thirty-one trillion, one hundred sixteen billion, six hundred fifty-three million, three hundred fifty-one thousand, one hundred forty-nine".