113131321001203 has 2 divisors, whose sum is σ = 113131321001204. Its totient is φ = 113131321001202.

The previous prime is 113131321001201. The next prime is 113131321001239. The reversal of 113131321001203 is 302100123131311.

It is a weak prime.

It is an emirp because it is prime and its reverse (302100123131311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113131321001203 - 2¹ = 113131321001201 is a prime.

It is a super-3 number, since 3×113131321001203³ (a number of 43 digits) contains 333 as substring.

Together with 113131321001201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (113131321001201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56565660500601 + 56565660500602.

It is an arithmetic number, because the mean of its divisors is an integer number (56565660500602).

Almost surely, 2^{113131321001203} is an apocalyptic number.

113131321001203 is a deficient number, since it is larger than the sum of its proper divisors (1).

113131321001203 is an equidigital number, since it uses as much as digits as its factorization.

113131321001203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 113131321001203 its reverse (302100123131311), we get a palindrome (415231444132514).

The spelling of 113131321001203 in words is "one hundred thirteen trillion, one hundred thirty-one billion, three hundred twenty-one million, one thousand, two hundred three".