213230434203 has 32 divisors (see below), whose sum is σ = 325944299520. Its totient is φ = 137694677760.

The previous prime is 213230434091. The next prime is 213230434217. The reversal of 213230434203 is 302434032312.

213230434203 is a `hidden beast` number, since 2 + 1 + 3 + 23 + 0 + 434 + 203 = 666.

It is not a de Polignac number, because 213230434203 - 2¹⁰ = 213230433179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (213230438203) 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, 743043 + ... + 989228.

It is an arithmetic number, because the mean of its divisors is an integer number (10185759360).

Almost surely, 2^213230434203 is an apocalyptic number.

213230434203 is a deficient number, since it is larger than the sum of its proper divisors (112713865317).

213230434203 is a wasteful number, since it uses less digits than its factorization.

213230434203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732424 (or 1732418 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 213230434203 its reverse (302434032312), we get a palindrome (515664466515).

The spelling of 213230434203 in words is "two hundred thirteen billion, two hundred thirty million, four hundred thirty-four thousand, two hundred three".