344235321431 has 8 divisors (see below), whose sum is σ = 345989026944. Its totient is φ = 342482769720.

The previous prime is 344235321403. The next prime is 344235321449. The reversal of 344235321431 is 134123532443.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344235321431 is a prime.

It is a super-2 number, since 2×344235321431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344235321391 and 344235321400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344235351431) 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, 312950 + ... + 886796.

It is an arithmetic number, because the mean of its divisors is an integer number (43248628368).

Almost surely, 2^344235321431 is an apocalyptic number.

344235321431 is a deficient number, since it is larger than the sum of its proper divisors (1753705513).

344235321431 is a wasteful number, since it uses less digits than its factorization.

344235321431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576901.

The product of its digits is 103680, while the sum is 35.

Adding to 344235321431 its reverse (134123532443), we get a palindrome (478358853874).

The spelling of 344235321431 in words is "three hundred forty-four billion, two hundred thirty-five million, three hundred twenty-one thousand, four hundred thirty-one".