1331322112999 has 4 divisors (see below), whose sum is σ = 1331339517760. Its totient is φ = 1331304708240.

The previous prime is 1331322112969. The next prime is 1331322113057. The reversal of 1331322112999 is 9992112231331.

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 1331322112999 - 2²¹ = 1331320015847 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 (1331322112969) 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, 8587134 + ... + 8740795.

It is an arithmetic number, because the mean of its divisors is an integer number (332834879440).

Almost surely, 2^{1331322112999} is an apocalyptic number.

1331322112999 is a deficient number, since it is larger than the sum of its proper divisors (17404761).

1331322112999 is an equidigital number, since it uses as much as digits as its factorization.

1331322112999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17404760.

The product of its digits is 157464, while the sum is 46.

The spelling of 1331322112999 in words is "one trillion, three hundred thirty-one billion, three hundred twenty-two million, one hundred twelve thousand, nine hundred ninety-nine".