1344342431 has 2 divisors, whose sum is σ = 1344342432. Its totient is φ = 1344342430.

The previous prime is 1344342379. The next prime is 1344342437. The reversal of 1344342431 is 1342434431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1344342431 - 2⁶ = 1344342367 is a prime.

It is a super-2 number, since 2×1344342431² = 3614513143573979522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1344342394 and 1344342403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344342437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672171215 + 672171216.

It is an arithmetic number, because the mean of its divisors is an integer number (672171216).

Almost surely, 2^1344342431 is an apocalyptic number.

1344342431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344342431 is an equidigital number, since it uses as much as digits as its factorization.

1344342431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 29.

The square root of 1344342431 is about 36665.2755478532. The cubic root of 1344342431 is about 1103.6633869156.

Adding to 1344342431 its reverse (1342434431), we get a palindrome (2686776862).

The spelling of 1344342431 in words is "one billion, three hundred forty-four million, three hundred forty-two thousand, four hundred thirty-one".