1313112201303 has 32 divisors (see below), whose sum is σ = 2005121682432. Its totient is φ = 748780070400.

The previous prime is 1313112201239. The next prime is 1313112201307. The reversal of 1313112201303 is 3031022113131.

It is a happy number.

It is not a de Polignac number, because 1313112201303 - 2⁶ = 1313112201239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1313112201303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313112201307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32619198 + ... + 32659428.

It is an arithmetic number, because the mean of its divisors is an integer number (62660052576).

Almost surely, 2^{1313112201303} is an apocalyptic number.

1313112201303 is a deficient number, since it is larger than the sum of its proper divisors (692009481129).

1313112201303 is a wasteful number, since it uses less digits than its factorization.

1313112201303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43455.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1313112201303 its reverse (3031022113131), we get a palindrome (4344134314434).

The spelling of 1313112201303 in words is "one trillion, three hundred thirteen billion, one hundred twelve million, two hundred one thousand, three hundred three".