431231114 has 4 divisors (see below), whose sum is σ = 646846674. Its totient is φ = 215615556.

The previous prime is 431231113. The next prime is 431231123. The reversal of 431231114 is 411132134.

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

It can be written as a sum of positive squares in only one way, i.e., 428283025 + 2948089 = 20695^2 + 1717^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (431231113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107807777 + ... + 107807780.

Almost surely, 2^431231114 is an apocalyptic number.

431231114 is a deficient number, since it is larger than the sum of its proper divisors (215615560).

431231114 is a wasteful number, since it uses less digits than its factorization.

431231114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215615559.

The product of its digits is 288, while the sum is 20.

The square root of 431231114 is about 20766.1049308723. The cubic root of 431231114 is about 755.5038748660.

Adding to 431231114 its reverse (411132134), we get a palindrome (842363248).

The spelling of 431231114 in words is "four hundred thirty-one million, two hundred thirty-one thousand, one hundred fourteen".