431340203 has 8 divisors (see below), whose sum is σ = 495172608. Its totient is φ = 368060904.

The previous prime is 431340199. The next prime is 431340233. The reversal of 431340203 is 302043134.

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 431340203 - 2² = 431340199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (431340233) 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, 136601 + ... + 139722.

It is an arithmetic number, because the mean of its divisors is an integer number (61896576).

Almost surely, 2^431340203 is an apocalyptic number.

431340203 is a deficient number, since it is larger than the sum of its proper divisors (63832405).

431340203 is a wasteful number, since it uses less digits than its factorization.

431340203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276553.

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

The square root of 431340203 is about 20768.7313767596. The cubic root of 431340203 is about 755.5675763714.

Adding to 431340203 its reverse (302043134), we get a palindrome (733383337).

The spelling of 431340203 in words is "four hundred thirty-one million, three hundred forty thousand, two hundred three".