113203131103 has 2 divisors, whose sum is σ = 113203131104. Its totient is φ = 113203131102.

The previous prime is 113203131061. The next prime is 113203131113. The reversal of 113203131103 is 301131302311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113203131103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113203131113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56601565551 + 56601565552.

It is an arithmetic number, because the mean of its divisors is an integer number (56601565552).

Almost surely, 2^113203131103 is an apocalyptic number.

113203131103 is a deficient number, since it is larger than the sum of its proper divisors (1).

113203131103 is an equidigital number, since it uses as much as digits as its factorization.

113203131103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 113203131103 its reverse (301131302311), we get a palindrome (414334433414).

The spelling of 113203131103 in words is "one hundred thirteen billion, two hundred three million, one hundred thirty-one thousand, one hundred three".