430203130221 has 4 divisors (see below), whose sum is σ = 573604173632. Its totient is φ = 286802086812.

The previous prime is 430203130219. The next prime is 430203130223. The reversal of 430203130221 is 122031302034.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (430203130219) and next prime (430203130223).

It is not a de Polignac number, because 430203130221 - 2¹ = 430203130219 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 (430203130223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71700521701 + ... + 71700521706.

It is an arithmetic number, because the mean of its divisors is an integer number (143401043408).

Almost surely, 2^430203130221 is an apocalyptic number.

It is an amenable number.

430203130221 is a deficient number, since it is larger than the sum of its proper divisors (143401043411).

430203130221 is a wasteful number, since it uses less digits than its factorization.

430203130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143401043410.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 430203130221 its reverse (122031302034), we get a palindrome (552234432255).

The spelling of 430203130221 in words is "four hundred thirty billion, two hundred three million, one hundred thirty thousand, two hundred twenty-one".