431321134 has 4 divisors (see below), whose sum is σ = 646981704. Its totient is φ = 215660566.

The previous prime is 431321131. The next prime is 431321141. The reversal of 431321134 is 431123134.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431321131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107830282 + ... + 107830285.

It is an arithmetic number, because the mean of its divisors is an integer number (161745426).

Almost surely, 2^431321134 is an apocalyptic number.

431321134 is a deficient number, since it is larger than the sum of its proper divisors (215660570).

431321134 is a wasteful number, since it uses less digits than its factorization.

431321134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215660569.

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

The square root of 431321134 is about 20768.2722921287. The cubic root of 431321134 is about 755.5564419812.

Adding to 431321134 its reverse (431123134), we get a palindrome (862444268).

The spelling of 431321134 in words is "four hundred thirty-one million, three hundred twenty-one thousand, one hundred thirty-four".