131325113 has 4 divisors (see below), whose sum is σ = 132005748. Its totient is φ = 130644480.

The previous prime is 131325109. The next prime is 131325127. The reversal of 131325113 is 311523131.

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 86341264 + 44983849 = 9292^2 + 6707^2 .

It is a cyclic number.

It is not a de Polignac number, because 131325113 - 2² = 131325109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131325133) 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, 340028 + ... + 340413.

It is an arithmetic number, because the mean of its divisors is an integer number (33001437).

Almost surely, 2^131325113 is an apocalyptic number.

It is an amenable number.

131325113 is a deficient number, since it is larger than the sum of its proper divisors (680635).

131325113 is an equidigital number, since it uses as much as digits as its factorization.

131325113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680634.

The product of its digits is 270, while the sum is 20.

The square root of 131325113 is about 11459.7169685817. The cubic root of 131325113 is about 508.2951054175.

Adding to 131325113 its reverse (311523131), we get a palindrome (442848244).

The spelling of 131325113 in words is "one hundred thirty-one million, three hundred twenty-five thousand, one hundred thirteen".