431231134 has 4 divisors (see below), whose sum is σ = 646846704. Its totient is φ = 215615566.

The previous prime is 431231123. The next prime is 431231147. The reversal of 431231134 is 431132134.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107807782 + ... + 107807785.

It is an arithmetic number, because the mean of its divisors is an integer number (161711676).

Almost surely, 2^431231134 is an apocalyptic number.

431231134 is a deficient number, since it is larger than the sum of its proper divisors (215615570).

431231134 is a wasteful number, since it uses less digits than its factorization.

431231134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215615569.

The product of its digits is 864, while the sum is 22.

The square root of 431231134 is about 20766.1054124263. The cubic root of 431231134 is about 755.5038865458.

Adding to 431231134 its reverse (431132134), we get a palindrome (862363268).

The spelling of 431231134 in words is "four hundred thirty-one million, two hundred thirty-one thousand, one hundred thirty-four".