131325111 has 16 divisors (see below), whose sum is σ = 194903520. Its totient is φ = 87393600.

The previous prime is 131325109. The next prime is 131325127. The reversal of 131325111 is 111523131.

It is not a de Polignac number, because 131325111 - 2¹ = 131325109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131325211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12181 + ... + 20273.

It is an arithmetic number, because the mean of its divisors is an integer number (12181470).

Almost surely, 2^131325111 is an apocalyptic number.

131325111 is a deficient number, since it is larger than the sum of its proper divisors (63578409).

131325111 is an equidigital number, since it uses as much as digits as its factorization.

131325111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8703 (or 8697 counting only the distinct ones).

The product of its digits is 90, while the sum is 18.

The square root of 131325111 is about 11459.7168813195. The cubic root of 131325111 is about 508.2951028372.

Adding to 131325111 its reverse (111523131), we get a palindrome (242848242).

The spelling of 131325111 in words is "one hundred thirty-one million, three hundred twenty-five thousand, one hundred eleven".