4313440431 has 20 divisors (see below), whose sum is σ = 6507344184. Its totient is φ = 2847150000.

The previous prime is 4313440429. The next prime is 4313440511. The reversal of 4313440431 is 1340443134.

It is not a de Polignac number, because 4313440431 - 2¹ = 4313440429 is a prime.

It is a super-2 number, since 2×4313440431² = 37211536703570931522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 4313440395 and 4313440404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4313440231) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 255445 + ... + 271806.

Almost surely, 2^4313440431 is an apocalyptic number.

4313440431 is a deficient number, since it is larger than the sum of its proper divisors (2193903753).

4313440431 is a wasteful number, since it uses less digits than its factorization.

4313440431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527364 (or 527355 counting only the distinct ones).

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

The square root of 4313440431 is about 65676.7876117582. The cubic root of 4313440431 is about 1627.8258278605.

Adding to 4313440431 its reverse (1340443134), we get a palindrome (5653883565).

The spelling of 4313440431 in words is "four billion, three hundred thirteen million, four hundred forty thousand, four hundred thirty-one".