3231112331989 has 2 divisors, whose sum is σ = 3231112331990. Its totient is φ = 3231112331988.

The previous prime is 3231112331983. The next prime is 3231112332047. The reversal of 3231112331989 is 9891332111323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2058028383889 + 1173083948100 = 1434583^2 + 1083090^2 .

It is a cyclic number.

It is not a de Polignac number, because 3231112331989 - 2¹⁵ = 3231112299221 is a prime.

It is a super-2 number, since 2×3231112331989² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3231112331983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615556165994 + 1615556165995.

It is an arithmetic number, because the mean of its divisors is an integer number (1615556165995).

Almost surely, 2^{3231112331989} is an apocalyptic number.

It is an amenable number.

3231112331989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3231112331989 is an equidigital number, since it uses as much as digits as its factorization.

3231112331989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 46.

The spelling of 3231112331989 in words is "three trillion, two hundred thirty-one billion, one hundred twelve million, three hundred thirty-one thousand, nine hundred eighty-nine".