213203163 has 8 divisors (see below), whose sum is σ = 284342800. Its totient is φ = 142099488.

The previous prime is 213203147. The next prime is 213203191. The reversal of 213203163 is 361302312.

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

It is not a de Polignac number, because 213203163 - 2⁴ = 213203147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213203063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11553 + ... + 23661.

It is an arithmetic number, because the mean of its divisors is an integer number (35542850).

Almost surely, 2^213203163 is an apocalyptic number.

213203163 is a deficient number, since it is larger than the sum of its proper divisors (71139637).

213203163 is a wasteful number, since it uses less digits than its factorization.

213203163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17981.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 213203163 is about 14601.4781101093. The cubic root of 213203163 is about 597.3990777415.

Adding to 213203163 its reverse (361302312), we get a palindrome (574505475).

The spelling of 213203163 in words is "two hundred thirteen million, two hundred three thousand, one hundred sixty-three".