231032302233077 has 2 divisors, whose sum is σ = 231032302233078. Its totient is φ = 231032302233076.

The previous prime is 231032302233071. The next prime is 231032302233137. The reversal of 231032302233077 is 770332203230132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125731682964196 + 105300619268881 = 11213014^2 + 10261609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231032302233077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231032302233077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231032302233071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115516151116538 + 115516151116539.

It is an arithmetic number, because the mean of its divisors is an integer number (115516151116539).

Almost surely, 2^{231032302233077} is an apocalyptic number.

It is an amenable number.

231032302233077 is a deficient number, since it is larger than the sum of its proper divisors (1).

231032302233077 is an equidigital number, since it uses as much as digits as its factorization.

231032302233077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 38.

The spelling of 231032302233077 in words is "two hundred thirty-one trillion, thirty-two billion, three hundred two million, two hundred thirty-three thousand, seventy-seven".