44198131 has 4 divisors (see below), whose sum is σ = 45032112. Its totient is φ = 43364152.

The previous prime is 44198129. The next prime is 44198137. The reversal of 44198131 is 13189144.

44198131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44198131 - 2¹ = 44198129 is a prime.

It is a super-2 number, since 2×44198131² = 3906949567786322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44198093 and 44198102.

It is not an unprimeable number, because it can be changed into a prime (44198137) 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 3 ways as a sum of consecutive naturals, for example, 416911 + ... + 417016.

It is an arithmetic number, because the mean of its divisors is an integer number (11258028).

Almost surely, 2^44198131 is an apocalyptic number.

44198131 is a deficient number, since it is larger than the sum of its proper divisors (833981).

44198131 is an equidigital number, since it uses as much as digits as its factorization.

44198131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833980.

The product of its digits is 3456, while the sum is 31.

The square root of 44198131 is about 6648.1674918732. The cubic root of 44198131 is about 353.5639427472.

The spelling of 44198131 in words is "forty-four million, one hundred ninety-eight thousand, one hundred thirty-one".