1344340434431 has 16 divisors (see below), whose sum is σ = 1361440634400. Its totient is φ = 1327318224000.

The previous prime is 1344340434413. The next prime is 1344340434467.

1344340434431 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1344340434431 is a prime.

It is a super-2 number, since 2×1344340434431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344340430431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83289560 + ... + 83305698.

It is an arithmetic number, because the mean of its divisors is an integer number (85090039650).

Almost surely, 2^{1344340434431} is an apocalyptic number.

1344340434431 is a deficient number, since it is larger than the sum of its proper divisors (17100199969).

1344340434431 is a wasteful number, since it uses less digits than its factorization.

1344340434431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18490.

The product of its (nonzero) digits is 331776, while the sum is 38.

It can be divided in two parts, 1344340 and 434431, that added together give a palindrome (1778771).

The spelling of 1344340434431 in words is "one trillion, three hundred forty-four billion, three hundred forty million, four hundred thirty-four thousand, four hundred thirty-one".