198031002 has 32 divisors (see below), whose sum is σ = 434585088. Its totient is φ = 59781696.

The previous prime is 198030991. The next prime is 198031019. The reversal of 198031002 is 200130891.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19818 + ... + 28085.

It is an arithmetic number, because the mean of its divisors is an integer number (13580784).

Almost surely, 2^198031002 is an apocalyptic number.

198031002 is an abundant number, since it is smaller than the sum of its proper divisors (236554086).

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

198031002 is a wasteful number, since it uses less digits than its factorization.

198031002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47974.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 198031002 is about 14072.3488444538. The cubic root of 198031002 is about 582.8780866760.

Adding to 198031002 its reverse (200130891), we get a palindrome (398161893).

The spelling of 198031002 in words is "one hundred ninety-eight million, thirty-one thousand, two".