431313243 has 8 divisors (see below), whose sum is σ = 605352000. Its totient is φ = 272408328.

The previous prime is 431313241. The next prime is 431313257. The reversal of 431313243 is 342313134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 431313243 - 2¹ = 431313241 is a prime.

It is a super-2 number, since 2×431313243² = 372062227174354098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431313241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3783393 + ... + 3783506.

It is an arithmetic number, because the mean of its divisors is an integer number (75669000).

Almost surely, 2^431313243 is an apocalyptic number.

431313243 is a deficient number, since it is larger than the sum of its proper divisors (174038757).

431313243 is a wasteful number, since it uses less digits than its factorization.

431313243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7566921.

The product of its digits is 2592, while the sum is 24.

The square root of 431313243 is about 20768.0823139740. The cubic root of 431313243 is about 755.5518343298.

Adding to 431313243 its reverse (342313134), we get a palindrome (773626377).

The spelling of 431313243 in words is "four hundred thirty-one million, three hundred thirteen thousand, two hundred forty-three".