2003122331311 has 2 divisors, whose sum is σ = 2003122331312. Its totient is φ = 2003122331310.

The previous prime is 2003122331303. The next prime is 2003122331317. The reversal of 2003122331311 is 1131332213002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2003122331311 - 2³ = 2003122331303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2003122331317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001561165655 + 1001561165656.

It is an arithmetic number, because the mean of its divisors is an integer number (1001561165656).

Almost surely, 2^{2003122331311} is an apocalyptic number.

2003122331311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003122331311 is an equidigital number, since it uses as much as digits as its factorization.

2003122331311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2003122331311 its reverse (1131332213002), we get a palindrome (3134454544313).

The spelling of 2003122331311 in words is "two trillion, three billion, one hundred twenty-two million, three hundred thirty-one thousand, three hundred eleven".