3165431243 has 8 divisors (see below), whose sum is σ = 3466705200. Its totient is φ = 2872411488.

The previous prime is 3165431239. The next prime is 3165431273. The reversal of 3165431243 is 3421345613.

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

It is a cyclic number.

It is not a de Polignac number, because 3165431243 - 2² = 3165431239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3165431233) 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, 2062748 + ... + 2064281.

It is an arithmetic number, because the mean of its divisors is an integer number (433338150).

Almost surely, 2^3165431243 is an apocalyptic number.

3165431243 is a deficient number, since it is larger than the sum of its proper divisors (301273957).

3165431243 is a wasteful number, since it uses less digits than its factorization.

3165431243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127101.

The product of its digits is 25920, while the sum is 32.

The square root of 3165431243 is about 56262.1652889400. The cubic root of 3165431243 is about 1468.2870266806.

Adding to 3165431243 its reverse (3421345613), we get a palindrome (6586776856).

The spelling of 3165431243 in words is "three billion, one hundred sixty-five million, four hundred thirty-one thousand, two hundred forty-three".