331230233149 has 2 divisors, whose sum is σ = 331230233150. Its totient is φ = 331230233148.

The previous prime is 331230233107. The next prime is 331230233167. The reversal of 331230233149 is 941332032133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320571116100 + 10659117049 = 566190^2 + 103243^2 .

It is an emirp because it is prime and its reverse (941332032133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 331230233149 - 2⁹ = 331230232637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331230233179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165615116574 + 165615116575.

It is an arithmetic number, because the mean of its divisors is an integer number (165615116575).

Almost surely, 2^331230233149 is an apocalyptic number.

It is an amenable number.

331230233149 is a deficient number, since it is larger than the sum of its proper divisors (1).

331230233149 is an equidigital number, since it uses as much as digits as its factorization.

331230233149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 34.

The spelling of 331230233149 in words is "three hundred thirty-one billion, two hundred thirty million, two hundred thirty-three thousand, one hundred forty-nine".