344310431 has 8 divisors (see below), whose sum is σ = 346523520. Its totient is φ = 342103968.

The previous prime is 344310409. The next prime is 344310451. The reversal of 344310431 is 134013443.

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 344310431 - 2²⁶ = 277201567 is a prime.

It is a super-2 number, since 2×344310431² = 237099345790811522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344310397 and 344310406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344310451) 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, 137765 + ... + 140241.

It is an arithmetic number, because the mean of its divisors is an integer number (43315440).

Almost surely, 2^344310431 is an apocalyptic number.

344310431 is a deficient number, since it is larger than the sum of its proper divisors (2213089).

344310431 is a wasteful number, since it uses less digits than its factorization.

344310431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 344310431 is about 18555.6037627451. The cubic root of 344310431 is about 700.8903168026.

Adding to 344310431 its reverse (134013443), we get a palindrome (478323874).

The spelling of 344310431 in words is "three hundred forty-four million, three hundred ten thousand, four hundred thirty-one".