2122303031509 has 2 divisors, whose sum is σ = 2122303031510. Its totient is φ = 2122303031508.

The previous prime is 2122303031501. The next prime is 2122303031521. The reversal of 2122303031509 is 9051303032212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1966033035409 + 156269996100 = 1402153^2 + 395310^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122303031509 - 2³ = 2122303031501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122303031501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061151515754 + 1061151515755.

It is an arithmetic number, because the mean of its divisors is an integer number (1061151515755).

Almost surely, 2^{2122303031509} is an apocalyptic number.

It is an amenable number.

2122303031509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122303031509 is an equidigital number, since it uses as much as digits as its factorization.

2122303031509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The spelling of 2122303031509 in words is "two trillion, one hundred twenty-two billion, three hundred three million, thirty-one thousand, five hundred nine".