131310212 has 24 divisors (see below), whose sum is σ = 251052480. Its totient is φ = 59598560.

The previous prime is 131310211. The next prime is 131310217. The reversal of 131310212 is 212013131.

It is not an unprimeable number, because it can be changed into a prime (131310211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35138 + ... + 38694.

It is an arithmetic number, because the mean of its divisors is an integer number (10460520).

Almost surely, 2^131310212 is an apocalyptic number.

It is an amenable number.

131310212 is a deficient number, since it is larger than the sum of its proper divisors (119742268).

131310212 is a wasteful number, since it uses less digits than its factorization.

131310212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4411 (or 4409 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 131310212 is about 11459.0668031913. The cubic root of 131310212 is about 508.2758798694.

Adding to 131310212 its reverse (212013131), we get a palindrome (343323343).

The spelling of 131310212 in words is "one hundred thirty-one million, three hundred ten thousand, two hundred twelve".