1311203032219 has 2 divisors, whose sum is σ = 1311203032220. Its totient is φ = 1311203032218.

The previous prime is 1311203032187. The next prime is 1311203032259. The reversal of 1311203032219 is 9122303021131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1311203032219 - 2⁵ = 1311203032187 is a prime.

It is a super-2 number, since 2×1311203032219² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1311203032259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655601516109 + 655601516110.

It is an arithmetic number, because the mean of its divisors is an integer number (655601516110).

Almost surely, 2^{1311203032219} is an apocalyptic number.

1311203032219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311203032219 is an equidigital number, since it uses as much as digits as its factorization.

1311203032219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 1311203032219 in words is "one trillion, three hundred eleven billion, two hundred three million, thirty-two thousand, two hundred nineteen".