1344431430346 has 8 divisors (see below), whose sum is σ = 2016762310080. Its totient is φ = 672177326988.

The previous prime is 1344431430343. The next prime is 1344431430359. The reversal of 1344431430346 is 6430341344431.

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

It is a junction number, because it is equal to n+sod(n) for n = 1344431430299 and 1344431430308.

It is not an unprimeable number, because it can be changed into a prime (1344431430343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19150296 + ... + 19220371.

It is an arithmetic number, because the mean of its divisors is an integer number (252095288760).

Almost surely, 2^{1344431430346} is an apocalyptic number.

1344431430346 is a deficient number, since it is larger than the sum of its proper divisors (672330879734).

1344431430346 is a wasteful number, since it uses less digits than its factorization.

1344431430346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38388188.

The product of its (nonzero) digits is 497664, while the sum is 40.

Adding to 1344431430346 its reverse (6430341344431), we get a palindrome (7774772774777).

The spelling of 1344431430346 in words is "one trillion, three hundred forty-four billion, four hundred thirty-one million, four hundred thirty thousand, three hundred forty-six".