213201021303 has 12 divisors (see below), whose sum is σ = 308102940288. Its totient is φ = 142066671360.

The previous prime is 213201021251. The next prime is 213201021323. The reversal of 213201021303 is 303120102312.

213201021303 is a `hidden beast` number, since 21 + 320 + 1 + 0 + 21 + 303 = 666.

It is not a de Polignac number, because 213201021303 - 2¹³ = 213201013111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213201021323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5591850 + ... + 5629847.

It is an arithmetic number, because the mean of its divisors is an integer number (25675245024).

Almost surely, 2^213201021303 is an apocalyptic number.

213201021303 is a deficient number, since it is larger than the sum of its proper divisors (94901918985).

213201021303 is a wasteful number, since it uses less digits than its factorization.

213201021303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11223814 (or 11223811 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 213201021303 its reverse (303120102312), we get a palindrome (516321123615).

The spelling of 213201021303 in words is "two hundred thirteen billion, two hundred one million, twenty-one thousand, three hundred three".