203213113 has 8 divisors (see below), whose sum is σ = 215032320. Its totient is φ = 191506320.

The previous prime is 203213083. The next prime is 203213137. The reversal of 203213113 is 311312302.

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

It is not a de Polignac number, because 203213113 - 2⁹ = 203212601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203219113) 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 7 ways as a sum of consecutive naturals, for example, 24370 + ... + 31627.

It is an arithmetic number, because the mean of its divisors is an integer number (26879040).

Almost surely, 2^203213113 is an apocalyptic number.

It is an amenable number.

203213113 is a deficient number, since it is larger than the sum of its proper divisors (11819207).

203213113 is a wasteful number, since it uses less digits than its factorization.

203213113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56207.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 203213113 is about 14255.2836871105. The cubic root of 203213113 is about 587.9186578595.

Adding to 203213113 its reverse (311312302), we get a palindrome (514525415).

The spelling of 203213113 in words is "two hundred three million, two hundred thirteen thousand, one hundred thirteen".