344332431 has 8 divisors (see below), whose sum is σ = 510122160. Its totient is φ = 229554936.

The previous prime is 344332427. The next prime is 344332451. The reversal of 344332431 is 134233443.

It is not a de Polignac number, because 344332431 - 2² = 344332427 is a prime.

It is a super-2 number, since 2×344332431² = 237129646076739522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 12753053 = 344332431 / (3 + 4 + 4 + 3 + 3 + 2 + 4 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 344332395 and 344332404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344332411) 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, 6376500 + ... + 6376553.

It is an arithmetic number, because the mean of its divisors is an integer number (63765270).

Almost surely, 2^344332431 is an apocalyptic number.

344332431 is a deficient number, since it is larger than the sum of its proper divisors (165789729).

344332431 is a wasteful number, since it uses less digits than its factorization.

344332431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12753062 (or 12753056 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 344332431 is about 18556.1965661070. The cubic root of 344332431 is about 700.9052444737.

Adding to 344332431 its reverse (134233443), we get a palindrome (478565874).

It can be divided in two parts, 34433 and 2431, that added together give a square (36864 = 192²).

The spelling of 344332431 in words is "three hundred forty-four million, three hundred thirty-two thousand, four hundred thirty-one".