1311303133199 has 4 divisors (see below), whose sum is σ = 1316744225280. Its totient is φ = 1305862041120.

The previous prime is 1311303133171. The next prime is 1311303133207. The reversal of 1311303133199 is 9913313031131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1311303133199 - 2²⁰ = 1311302084623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311303133109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2720545679 + ... + 2720546160.

It is an arithmetic number, because the mean of its divisors is an integer number (329186056320).

Almost surely, 2^{1311303133199} is an apocalyptic number.

1311303133199 is a deficient number, since it is larger than the sum of its proper divisors (5441092081).

1311303133199 is an equidigital number, since it uses as much as digits as its factorization.

1311303133199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5441092080.

The product of its (nonzero) digits is 19683, while the sum is 38.

The spelling of 1311303133199 in words is "one trillion, three hundred eleven billion, three hundred three million, one hundred thirty-three thousand, one hundred ninety-nine".