213031203 has 64 divisors (see below), whose sum is σ = 368492544. Its totient is φ = 106272000.

The previous prime is 213031183. The next prime is 213031207. The reversal of 213031203 is 302130312.

It is not a de Polignac number, because 213031203 - 2⁵ = 213031171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213031207) 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 63 ways as a sum of consecutive naturals, for example, 785958 + ... + 786228.

It is an arithmetic number, because the mean of its divisors is an integer number (5757696).

Almost surely, 2^213031203 is an apocalyptic number.

213031203 is a deficient number, since it is larger than the sum of its proper divisors (155461341).

213031203 is a wasteful number, since it uses less digits than its factorization.

213031203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 213031203 is about 14595.5884773448. The cubic root of 213031203 is about 597.2384228758.

Adding to 213031203 its reverse (302130312), we get a palindrome (515161515).

It can be divided in two parts, 2130 and 31203, that added together give a palindrome (33333).

The spelling of 213031203 in words is "two hundred thirteen million, thirty-one thousand, two hundred three".