113131220103203 has 2 divisors, whose sum is σ = 113131220103204. Its totient is φ = 113131220103202.

The previous prime is 113131220103199. The next prime is 113131220103257. The reversal of 113131220103203 is 302301022131311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113131220103203 - 2² = 113131220103199 is a prime.

It is not a weakly prime, because it can be changed into another prime (113131220103283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56565610051601 + 56565610051602.

It is an arithmetic number, because the mean of its divisors is an integer number (56565610051602).

Almost surely, 2^{113131220103203} is an apocalyptic number.

113131220103203 is a deficient number, since it is larger than the sum of its proper divisors (1).

113131220103203 is an equidigital number, since it uses as much as digits as its factorization.

113131220103203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 113131220103203 its reverse (302301022131311), we get a palindrome (415432242234514).

The spelling of 113131220103203 in words is "one hundred thirteen trillion, one hundred thirty-one billion, two hundred twenty million, one hundred three thousand, two hundred three".