4312431243 has 6 divisors (see below), whose sum is σ = 6229067364. Its totient is φ = 2874954156.

The previous prime is 4312431241. The next prime is 4312431269. The reversal of 4312431243 is 3421342134.

It is not a de Polignac number, because 4312431243 - 2¹ = 4312431241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4312431241) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 239579505 + ... + 239579522.

It is an arithmetic number, because the mean of its divisors is an integer number (1038177894).

Almost surely, 2^4312431243 is an apocalyptic number.

4312431243 is a deficient number, since it is larger than the sum of its proper divisors (1916636121).

4312431243 is a wasteful number, since it uses less digits than its factorization.

4312431243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479159033 (or 479159030 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 4312431243 is about 65669.1041738807. The cubic root of 4312431243 is about 1627.6988673015.

Adding to 4312431243 its reverse (3421342134), we get a palindrome (7733773377).

The spelling of 4312431243 in words is "four billion, three hundred twelve million, four hundred thirty-one thousand, two hundred forty-three".