213013198 has 4 divisors (see below), whose sum is σ = 319519800. Its totient is φ = 106506598.

The previous prime is 213013153. The next prime is 213013211. The reversal of 213013198 is 891310312.

213013198 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53253298 + ... + 53253301.

It is an arithmetic number, because the mean of its divisors is an integer number (79879950).

Almost surely, 2^213013198 is an apocalyptic number.

213013198 is a deficient number, since it is larger than the sum of its proper divisors (106506602).

213013198 is a wasteful number, since it uses less digits than its factorization.

213013198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106506601.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 213013198 is about 14594.9716683521. The cubic root of 213013198 is about 597.2215965758.

The spelling of 213013198 in words is "two hundred thirteen million, thirteen thousand, one hundred ninety-eight".