131113303 has 2 divisors, whose sum is σ = 131113304. Its totient is φ = 131113302.

The previous prime is 131113289. The next prime is 131113349. The reversal of 131113303 is 303311131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131113303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131110303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65556651 + 65556652.

It is an arithmetic number, because the mean of its divisors is an integer number (65556652).

Almost surely, 2^131113303 is an apocalyptic number.

131113303 is a deficient number, since it is larger than the sum of its proper divisors (1).

131113303 is an equidigital number, since it uses as much as digits as its factorization.

131113303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 131113303 is about 11450.4717370072. The cubic root of 131113303 is about 508.0216874925.

Adding to 131113303 its reverse (303311131), we get a palindrome (434424434).

The spelling of 131113303 in words is "one hundred thirty-one million, one hundred thirteen thousand, three hundred three".