131200313 has 4 divisors (see below), whose sum is σ = 132499428. Its totient is φ = 129901200.

The previous prime is 131200291. The next prime is 131200319. The reversal of 131200313 is 313002131.

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 128074489 + 3125824 = 11317^2 + 1768^2 .

It is a cyclic number.

It is not a de Polignac number, because 131200313 - 2⁶ = 131200249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131200319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649406 + ... + 649607.

It is an arithmetic number, because the mean of its divisors is an integer number (33124857).

Almost surely, 2^131200313 is an apocalyptic number.

It is an amenable number.

131200313 is a deficient number, since it is larger than the sum of its proper divisors (1299115).

131200313 is a wasteful number, since it uses less digits than its factorization.

131200313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299114.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 131200313 is about 11454.2705136556. The cubic root of 131200313 is about 508.1340411885.

Adding to 131200313 its reverse (313002131), we get a palindrome (444202444).

The spelling of 131200313 in words is "one hundred thirty-one million, two hundred thousand, three hundred thirteen".