1313123300203 has 16 divisors (see below), whose sum is σ = 1551213492192. Its totient is φ = 1095833664000.

The previous prime is 1313123300197. The next prime is 1313123300249. The reversal of 1313123300203 is 3020033213131.

It is a cyclic number.

It is not a de Polignac number, because 1313123300203 - 2²⁵ = 1313089745771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313123300263) 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, 25340638 + ... + 25392403.

It is an arithmetic number, because the mean of its divisors is an integer number (96950843262).

Almost surely, 2^{1313123300203} is an apocalyptic number.

1313123300203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1313123300203 is a deficient number, since it is larger than the sum of its proper divisors (238090191989).

1313123300203 is a wasteful number, since it uses less digits than its factorization.

1313123300203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50733246.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1313123300203 its reverse (3020033213131), we get a palindrome (4333156513334).

The spelling of 1313123300203 in words is "one trillion, three hundred thirteen billion, one hundred twenty-three million, three hundred thousand, two hundred three".