2002321231289 has 2 divisors, whose sum is σ = 2002321231290. Its totient is φ = 2002321231288.

The previous prime is 2002321231193. The next prime is 2002321231349. The reversal of 2002321231289 is 9821321232002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1842534760000 + 159786471289 = 1357400^2 + 399733^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002321231289 - 2²⁸ = 2002052795833 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002321231489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001160615644 + 1001160615645.

It is an arithmetic number, because the mean of its divisors is an integer number (1001160615645).

Almost surely, 2^{2002321231289} is an apocalyptic number.

It is an amenable number.

2002321231289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002321231289 is an equidigital number, since it uses as much as digits as its factorization.

2002321231289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 2002321231289 in words is "two trillion, two billion, three hundred twenty-one million, two hundred thirty-one thousand, two hundred eighty-nine".