213404242203 has 12 divisors (see below), whose sum is σ = 318194139328. Its totient is φ = 137680156080.

The previous prime is 213404242193. The next prime is 213404242213. The reversal of 213404242203 is 302242404312.

213404242203 is a `hidden beast` number, since 2 + 1 + 34 + 0 + 424 + 2 + 203 = 666.

It is an interprime number because it is at equal distance from previous prime (213404242193) and next prime (213404242213).

It is not a de Polignac number, because 213404242203 - 2⁴ = 213404242187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213404242213) 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, 382444600 + ... + 382445157.

Almost surely, 2^213404242203 is an apocalyptic number.

213404242203 is a deficient number, since it is larger than the sum of its proper divisors (104789897125).

213404242203 is a wasteful number, since it uses less digits than its factorization.

213404242203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764889794 (or 764889791 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 213404242203 its reverse (302242404312), we get a palindrome (515646646515).

The spelling of 213404242203 in words is "two hundred thirteen billion, four hundred four million, two hundred forty-two thousand, two hundred three".