131033212 has 48 divisors (see below), whose sum is σ = 254735712. Its totient is φ = 58705920.

The previous prime is 131033209. The next prime is 131033213. The reversal of 131033212 is 212330131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131033213) 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 15 ways as a sum of consecutive naturals, for example, 119338 + ... + 120430.

It is an arithmetic number, because the mean of its divisors is an integer number (5306994).

Almost surely, 2^131033212 is an apocalyptic number.

It is an amenable number.

131033212 is a deficient number, since it is larger than the sum of its proper divisors (123702500).

131033212 is a wasteful number, since it uses less digits than its factorization.

131033212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198 (or 1196 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 131033212 is about 11446.9739232690. The cubic root of 131033212 is about 507.9182241732.

Adding to 131033212 its reverse (212330131), we get a palindrome (343363343).

The spelling of 131033212 in words is "one hundred thirty-one million, thirty-three thousand, two hundred twelve".