1331111311303 has 8 divisors (see below), whose sum is σ = 1348546248720. Its totient is φ = 1313768867520.

The previous prime is 1331111311259. The next prime is 1331111311367. The reversal of 1331111311303 is 3031131111331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1331111311303 - 2¹³ = 1331111303111 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 (1331111311373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23094438 + ... + 23152003.

It is an arithmetic number, because the mean of its divisors is an integer number (168568281090).

Almost surely, 2^{1331111311303} is an apocalyptic number.

1331111311303 is a deficient number, since it is larger than the sum of its proper divisors (17434937417).

1331111311303 is a wasteful number, since it uses less digits than its factorization.

1331111311303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46246817.

The product of its (nonzero) digits is 243, while the sum is 22.

Adding to 1331111311303 its reverse (3031131111331), we get a palindrome (4362242422634).

The spelling of 1331111311303 in words is "one trillion, three hundred thirty-one billion, one hundred eleven million, three hundred eleven thousand, three hundred three".