2331312310189 has 2 divisors, whose sum is σ = 2331312310190. Its totient is φ = 2331312310188.

The previous prime is 2331312310181. The next prime is 2331312310207. The reversal of 2331312310189 is 9810132131332.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1364516015625 + 966796294564 = 1168125^2 + 983258^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331312310189 - 2³ = 2331312310181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2331312310181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165656155094 + 1165656155095.

It is an arithmetic number, because the mean of its divisors is an integer number (1165656155095).

Almost surely, 2^{2331312310189} is an apocalyptic number.

It is an amenable number.

2331312310189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331312310189 is an equidigital number, since it uses as much as digits as its factorization.

2331312310189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 2331312310189 in words is "two trillion, three hundred thirty-one billion, three hundred twelve million, three hundred ten thousand, one hundred eighty-nine".