2198133131 has 4 divisors (see below), whose sum is σ = 2218299600. Its totient is φ = 2177966664.

The previous prime is 2198133121. The next prime is 2198133139. The reversal of 2198133131 is 1313318912.

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 2198133131 - 2¹⁴ = 2198116747 is a prime.

It is a super-2 number, since 2×2198133131² = 9663578523199726322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2198133139) 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, 10083071 + ... + 10083288.

It is an arithmetic number, because the mean of its divisors is an integer number (554574900).

Almost surely, 2^2198133131 is an apocalyptic number.

2198133131 is a deficient number, since it is larger than the sum of its proper divisors (20166469).

2198133131 is a wasteful number, since it uses less digits than its factorization.

2198133131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20166468.

The product of its digits is 3888, while the sum is 32.

The square root of 2198133131 is about 46884.2524841764. The cubic root of 2198133131 is about 1300.2234588258.

The spelling of 2198133131 in words is "two billion, one hundred ninety-eight million, one hundred thirty-three thousand, one hundred thirty-one".