431314243 has 4 divisors (see below), whose sum is σ = 431509120. Its totient is φ = 431119368.

The previous prime is 431314241. The next prime is 431314267. The reversal of 431314243 is 342413134.

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

It is a cyclic number.

It is not a de Polignac number, because 431314243 - 2¹ = 431314241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431314241) 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, 94080 + ... + 98557.

It is an arithmetic number, because the mean of its divisors is an integer number (107877280).

Almost surely, 2^431314243 is an apocalyptic number.

431314243 is a deficient number, since it is larger than the sum of its proper divisors (194877).

431314243 is a wasteful number, since it uses less digits than its factorization.

431314243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194876.

The product of its digits is 3456, while the sum is 25.

The square root of 431314243 is about 20768.1063893654. The cubic root of 431314243 is about 755.5524182452.

Adding to 431314243 its reverse (342413134), we get a palindrome (773727377).

It can be divided in two parts, 43131 and 4243, that added together give a palindrome (47374).

The spelling of 431314243 in words is "four hundred thirty-one million, three hundred fourteen thousand, two hundred forty-three".