1303111312999 has 16 divisors (see below), whose sum is σ = 1409458323456. Its totient is φ = 1200076041600.

The previous prime is 1303111312981. The next prime is 1303111313003. The reversal of 1303111312999 is 9992131113031.

It is not a de Polignac number, because 1303111312999 - 2²³ = 1303102924391 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 (1303111312939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3187834 + ... + 3573304.

It is an arithmetic number, because the mean of its divisors is an integer number (88091145216).

Almost surely, 2^{1303111312999} is an apocalyptic number.

1303111312999 is a deficient number, since it is larger than the sum of its proper divisors (106347010457).

1303111312999 is a wasteful number, since it uses less digits than its factorization.

1303111312999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389766.

The product of its (nonzero) digits is 39366, while the sum is 43.

The spelling of 1303111312999 in words is "one trillion, three hundred three billion, one hundred eleven million, three hundred twelve thousand, nine hundred ninety-nine".