131333512 has 16 divisors (see below), whose sum is σ = 248553360. Its totient is φ = 65052624.

The previous prime is 131333507. The next prime is 131333513. The reversal of 131333512 is 215333131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131333513) 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, 75858 + ... + 77569.

It is an arithmetic number, because the mean of its divisors is an integer number (15534585).

Almost surely, 2^131333512 is an apocalyptic number.

It is an amenable number.

131333512 is a deficient number, since it is larger than the sum of its proper divisors (117219848).

131333512 is a wasteful number, since it uses less digits than its factorization.

131333512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153540 (or 153536 counting only the distinct ones).

The product of its digits is 810, while the sum is 22.

The square root of 131333512 is about 11460.0834202897. The cubic root of 131333512 is about 508.3059413231.

Adding to 131333512 its reverse (215333131), we get a palindrome (346666643).

The spelling of 131333512 in words is "one hundred thirty-one million, three hundred thirty-three thousand, five hundred twelve".