213011231203 has 32 divisors (see below), whose sum is σ = 222076108800. Its totient is φ = 204174432000.

The previous prime is 213011231179. The next prime is 213011231207. The reversal of 213011231203 is 302132110312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213011231203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213011231207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322255693 + ... + 322256353.

It is an arithmetic number, because the mean of its divisors is an integer number (6939878400).

Almost surely, 2^213011231203 is an apocalyptic number.

213011231203 is a deficient number, since it is larger than the sum of its proper divisors (9064877597).

213011231203 is a wasteful number, since it uses less digits than its factorization.

213011231203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213011231203 its reverse (302132110312), we get a palindrome (515143341515).

The spelling of 213011231203 in words is "two hundred thirteen billion, eleven million, two hundred thirty-one thousand, two hundred three".