131244198 has 32 divisors (see below), whose sum is σ = 278177760. Its totient is φ = 41207040.

The previous prime is 131244193. The next prime is 131244203. The reversal of 131244198 is 891442131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131244193) and next prime (131244203).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131244193) 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 15 ways as a sum of consecutive naturals, for example, 2065 + ... + 16332.

It is an arithmetic number, because the mean of its divisors is an integer number (8693055).

Almost surely, 2^131244198 is an apocalyptic number.

131244198 is an abundant number, since it is smaller than the sum of its proper divisors (146933562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131244198 is a wasteful number, since it uses less digits than its factorization.

131244198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18472.

The product of its digits is 6912, while the sum is 33.

The square root of 131244198 is about 11456.1860145513. The cubic root of 131244198 is about 508.1906898759.

The spelling of 131244198 in words is "one hundred thirty-one million, two hundred forty-four thousand, one hundred ninety-eight".