131174228 has 12 divisors (see below), whose sum is σ = 233446080. Its totient is φ = 64475352.

The previous prime is 131174191. The next prime is 131174257. The reversal of 131174228 is 822471131.

It is a self number, because there is not a number n which added to its sum of digits gives 131174228.

It is a congruent number.

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, 277676 + ... + 278147.

It is an arithmetic number, because the mean of its divisors is an integer number (19453840).

Almost surely, 2^131174228 is an apocalyptic number.

It is an amenable number.

131174228 is a deficient number, since it is larger than the sum of its proper divisors (102271852).

131174228 is a wasteful number, since it uses less digits than its factorization.

131174228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555886 (or 555884 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 131174228 is about 11453.1317987702. The cubic root of 131174228 is about 508.1003635377.

The spelling of 131174228 in words is "one hundred thirty-one million, one hundred seventy-four thousand, two hundred twenty-eight".