431201622203 has 4 divisors (see below), whose sum is σ = 470401769688. Its totient is φ = 392001474720.

The previous prime is 431201622127. The next prime is 431201622209. The reversal of 431201622203 is 302226102134.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 431201622203 - 2¹⁸ = 431201360059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431201622209) 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, 19600073726 + ... + 19600073747.

It is an arithmetic number, because the mean of its divisors is an integer number (117600442422).

Almost surely, 2^431201622203 is an apocalyptic number.

431201622203 is a deficient number, since it is larger than the sum of its proper divisors (39200147485).

431201622203 is a wasteful number, since it uses less digits than its factorization.

431201622203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39200147484.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 431201622203 its reverse (302226102134), we get a palindrome (733427724337).

The spelling of 431201622203 in words is "four hundred thirty-one billion, two hundred one million, six hundred twenty-two thousand, two hundred three".