2002311329 has 2 divisors, whose sum is σ = 2002311330. Its totient is φ = 2002311328.

The previous prime is 2002311247. The next prime is 2002311331. The reversal of 2002311329 is 9231132002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1984880704 + 17430625 = 44552^2 + 4175^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002311329 - 2¹⁶ = 2002245793 is a prime.

Together with 2002311331, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2002319329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001155664 + 1001155665.

It is an arithmetic number, because the mean of its divisors is an integer number (1001155665).

Almost surely, 2^2002311329 is an apocalyptic number.

It is an amenable number.

2002311329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002311329 is an equidigital number, since it uses as much as digits as its factorization.

2002311329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2002311329 is about 44747.1935321088. The cubic root of 2002311329 is about 1260.4062117248.

The spelling of 2002311329 in words is "two billion, two million, three hundred eleven thousand, three hundred twenty-nine".