203132198 has 8 divisors (see below), whose sum is σ = 304832808. Its totient is φ = 101521264.

The previous prime is 203132197. The next prime is 203132213. The reversal of 203132198 is 891231302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×203132198² = 82525379728622408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203132198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203132191) 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, 16436 + ... + 26007.

It is an arithmetic number, because the mean of its divisors is an integer number (38104101).

Almost surely, 2^203132198 is an apocalyptic number.

203132198 is a deficient number, since it is larger than the sum of its proper divisors (101700610).

203132198 is a wasteful number, since it uses less digits than its factorization.

203132198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44838.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 203132198 is about 14252.4453340471. The cubic root of 203132198 is about 587.8406153998.

The spelling of 203132198 in words is "two hundred three million, one hundred thirty-two thousand, one hundred ninety-eight".