3231320950987 has 2 divisors, whose sum is σ = 3231320950988. Its totient is φ = 3231320950986.

The previous prime is 3231320950981. The next prime is 3231320950999. The reversal of 3231320950987 is 7890590231323.

3231320950987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (7890590231323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3231320950987 - 2²⁷ = 3231186733259 is a prime.

It is not a weakly prime, because it can be changed into another prime (3231320950981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615660475493 + 1615660475494.

It is an arithmetic number, because the mean of its divisors is an integer number (1615660475494).

Almost surely, 2^{3231320950987} is an apocalyptic number.

3231320950987 is a deficient number, since it is larger than the sum of its proper divisors (1).

3231320950987 is an equidigital number, since it uses as much as digits as its factorization.

3231320950987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 3231320950987 in words is "three trillion, two hundred thirty-one billion, three hundred twenty million, nine hundred fifty thousand, nine hundred eighty-seven".