131322244 has 12 divisors (see below), whose sum is σ = 229920768. Its totient is φ = 65630600.

The previous prime is 131322227. The next prime is 131322251. The reversal of 131322244 is 442223131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4029 + ... + 16699.

It is an arithmetic number, because the mean of its divisors is an integer number (19160064).

Almost surely, 2^131322244 is an apocalyptic number.

It is an amenable number.

131322244 is a deficient number, since it is larger than the sum of its proper divisors (98598524).

131322244 is a wasteful number, since it uses less digits than its factorization.

131322244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15266 (or 15264 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 131322244 is about 11459.5917902864. The cubic root of 131322244 is about 508.2914038932.

Adding to 131322244 its reverse (442223131), we get a palindrome (573545375).

It can be divided in two parts, 13132 and 2244, that added together give a square (15376 = 124²).

The spelling of 131322244 in words is "one hundred thirty-one million, three hundred twenty-two thousand, two hundred forty-four".