431234411 has 4 divisors (see below), whose sum is σ = 435190800. Its totient is φ = 427278024.

The previous prime is 431234399. The next prime is 431234473. The reversal of 431234411 is 114432134.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431234411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431234711) 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, 1978031 + ... + 1978248.

It is an arithmetic number, because the mean of its divisors is an integer number (108797700).

Almost surely, 2^431234411 is an apocalyptic number.

431234411 is a deficient number, since it is larger than the sum of its proper divisors (3956389).

431234411 is a wasteful number, since it uses less digits than its factorization.

431234411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956388.

The product of its digits is 1152, while the sum is 23.

The square root of 431234411 is about 20766.1843148904. The cubic root of 431234411 is about 755.5058002759.

Adding to 431234411 its reverse (114432134), we get a palindrome (545666545).

The spelling of 431234411 in words is "four hundred thirty-one million, two hundred thirty-four thousand, four hundred eleven".