2003112311273 has 2 divisors, whose sum is σ = 2003112311274. Its totient is φ = 2003112311272.

The previous prime is 2003112311147. The next prime is 2003112311281. The reversal of 2003112311273 is 3721132113002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1330996001344 + 672116309929 = 1153688^2 + 819827^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003112311273 - 2¹⁴ = 2003112294889 is a prime.

It is not a weakly prime, because it can be changed into another prime (2003112341273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001556155636 + 1001556155637.

It is an arithmetic number, because the mean of its divisors is an integer number (1001556155637).

Almost surely, 2^{2003112311273} is an apocalyptic number.

It is an amenable number.

2003112311273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003112311273 is an equidigital number, since it uses as much as digits as its factorization.

2003112311273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 2003112311273 its reverse (3721132113002), we get a palindrome (5724244424275).

The spelling of 2003112311273 in words is "two trillion, three billion, one hundred twelve million, three hundred eleven thousand, two hundred seventy-three".