1311003001229 has 2 divisors, whose sum is σ = 1311003001230. Its totient is φ = 1311003001228.

The previous prime is 1311003001193. The next prime is 1311003001267. The reversal of 1311003001229 is 9221003001131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 817574023204 + 493428978025 = 904198^2 + 702445^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311003001229 - 2³² = 1306708033933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311003004229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655501500614 + 655501500615.

It is an arithmetic number, because the mean of its divisors is an integer number (655501500615).

Almost surely, 2^{1311003001229} is an apocalyptic number.

It is an amenable number.

1311003001229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311003001229 is an equidigital number, since it uses as much as digits as its factorization.

1311003001229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 1311003001229 in words is "one trillion, three hundred eleven billion, three million, one thousand, two hundred twenty-nine".