431222303 has 4 divisors (see below), whose sum is σ = 431376408. Its totient is φ = 431068200.

The previous prime is 431222299. The next prime is 431222317. The reversal of 431222303 is 303222134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303222134 = 2 ⋅151611067.

It is a cyclic number.

It is not a de Polignac number, because 431222303 - 2² = 431222299 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 (431222003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72776 + ... + 78477.

It is an arithmetic number, because the mean of its divisors is an integer number (107844102).

Almost surely, 2^431222303 is an apocalyptic number.

431222303 is a deficient number, since it is larger than the sum of its proper divisors (154105).

431222303 is a wasteful number, since it uses less digits than its factorization.

431222303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154104.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 431222303 is about 20765.8927811929. The cubic root of 431222303 is about 755.4987292958.

Adding to 431222303 its reverse (303222134), we get a palindrome (734444437).

The spelling of 431222303 in words is "four hundred thirty-one million, two hundred twenty-two thousand, three hundred three".