203424421213 has 8 divisors (see below), whose sum is σ = 220110714656. Its totient is φ = 186886450800.

The previous prime is 203424421201. The next prime is 203424421217. The reversal of 203424421213 is 312124424302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203424421213 - 2⁵ = 203424421181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203424421217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37077903 + ... + 37083388.

It is an arithmetic number, because the mean of its divisors is an integer number (27513839332).

Almost surely, 2^203424421213 is an apocalyptic number.

It is an amenable number.

203424421213 is a deficient number, since it is larger than the sum of its proper divisors (16686293443).

203424421213 is a wasteful number, since it uses less digits than its factorization.

203424421213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74161515.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 203424421213 its reverse (312124424302), we get a palindrome (515548845515).

The spelling of 203424421213 in words is "two hundred three billion, four hundred twenty-four million, four hundred twenty-one thousand, two hundred thirteen".