131313452 has 12 divisors (see below), whose sum is σ = 231209496. Its totient is φ = 65253600.

The previous prime is 131313451. The next prime is 131313461. The reversal of 131313452 is 254313131.

It is not an unprimeable number, because it can be changed into a prime (131313451) 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, 100049 + ... + 101352.

It is an arithmetic number, because the mean of its divisors is an integer number (19267458).

Almost surely, 2^131313452 is an apocalyptic number.

It is an amenable number.

131313452 is a deficient number, since it is larger than the sum of its proper divisors (99896044).

131313452 is a wasteful number, since it uses less digits than its factorization.

131313452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201568 (or 201566 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 131313452 is about 11459.2081750878. The cubic root of 131313452 is about 508.2800603015.

Adding to 131313452 its reverse (254313131), we get a palindrome (385626583).

The spelling of 131313452 in words is "one hundred thirty-one million, three hundred thirteen thousand, four hundred fifty-two".