331230132230077 has 2 divisors, whose sum is σ = 331230132230078. Its totient is φ = 331230132230076.

The previous prime is 331230132230059. The next prime is 331230132230159. The reversal of 331230132230077 is 770032231032133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318257536371076 + 12972595859001 = 17839774^2 + 3601749^2 .

It is a cyclic number.

It is not a de Polignac number, because 331230132230077 - 2²⁷ = 331229998012349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331230132231077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165615066115038 + 165615066115039.

It is an arithmetic number, because the mean of its divisors is an integer number (165615066115039).

Almost surely, 2^{331230132230077} is an apocalyptic number.

It is an amenable number.

331230132230077 is a deficient number, since it is larger than the sum of its proper divisors (1).

331230132230077 is an equidigital number, since it uses as much as digits as its factorization.

331230132230077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 37.

The spelling of 331230132230077 in words is "three hundred thirty-one trillion, two hundred thirty billion, one hundred thirty-two million, two hundred thirty thousand, seventy-seven".