131334113 has 4 divisors (see below), whose sum is σ = 132215700. Its totient is φ = 130452528.

The previous prime is 131334109. The next prime is 131334131. The reversal of 131334113 is 311433131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19651489 + 111682624 = 4433^2 + 10568^2 .

It is a cyclic number.

It is not a de Polignac number, because 131334113 - 2² = 131334109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131330113) 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, 440570 + ... + 440867.

It is an arithmetic number, because the mean of its divisors is an integer number (33053925).

Almost surely, 2^131334113 is an apocalyptic number.

It is an amenable number.

131334113 is a deficient number, since it is larger than the sum of its proper divisors (881587).

131334113 is an equidigital number, since it uses as much as digits as its factorization.

131334113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881586.

The product of its digits is 324, while the sum is 20.

The square root of 131334113 is about 11460.1096417094. The cubic root of 131334113 is about 508.3067166810.

Adding to 131334113 its reverse (311433131), we get a palindrome (442767244).

The spelling of 131334113 in words is "one hundred thirty-one million, three hundred thirty-four thousand, one hundred thirteen".