131144422 has 16 divisors (see below), whose sum is σ = 207293760. Its totient is φ = 62053992.

The previous prime is 131144417. The next prime is 131144471. The reversal of 131144422 is 224441131.

It is a happy number.

131144422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 131144393 and 131144402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64473 + ... + 66475.

It is an arithmetic number, because the mean of its divisors is an integer number (12955860).

Almost surely, 2^131144422 is an apocalyptic number.

131144422 is a deficient number, since it is larger than the sum of its proper divisors (76149338).

131144422 is a wasteful number, since it uses less digits than its factorization.

131144422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747.

The product of its digits is 768, while the sum is 22.

The square root of 131144422 is about 11451.8305087003. The cubic root of 131144422 is about 508.0618763367.

Adding to 131144422 its reverse (224441131), we get a palindrome (355585553).

The spelling of 131144422 in words is "one hundred thirty-one million, one hundred forty-four thousand, four hundred twenty-two".