131303113 has 4 divisors (see below), whose sum is σ = 137011968. Its totient is φ = 125594260.

The previous prime is 131303093. The next prime is 131303119. The reversal of 131303113 is 311303131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-131303113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131303119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2854393 + ... + 2854438.

It is an arithmetic number, because the mean of its divisors is an integer number (34252992).

Almost surely, 2^131303113 is an apocalyptic number.

It is an amenable number.

131303113 is a deficient number, since it is larger than the sum of its proper divisors (5708855).

131303113 is an equidigital number, since it uses as much as digits as its factorization.

131303113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5708854.

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

The square root of 131303113 is about 11458.7570442871. The cubic root of 131303113 is about 508.2667200956.

Adding to 131303113 its reverse (311303131), we get a palindrome (442606244).

The spelling of 131303113 in words is "one hundred thirty-one million, three hundred three thousand, one hundred thirteen".