213203022303 has 16 divisors (see below), whose sum is σ = 291398405760. Its totient is φ = 138583238304.

The previous prime is 213203022271. The next prime is 213203022317. The reversal of 213203022303 is 303220302312.

It is not a de Polignac number, because 213203022303 - 2⁵ = 213203022271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213203022303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213203022343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1395168 + ... + 1540421.

It is an arithmetic number, because the mean of its divisors is an integer number (18212400360).

Almost surely, 2^213203022303 is an apocalyptic number.

213203022303 is a deficient number, since it is larger than the sum of its proper divisors (78195383457).

213203022303 is a wasteful number, since it uses less digits than its factorization.

213203022303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936198.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 213203022303 its reverse (303220302312), we get a palindrome (516423324615).

The spelling of 213203022303 in words is "two hundred thirteen billion, two hundred three million, twenty-two thousand, three hundred three".