1344120431 has 2 divisors, whose sum is σ = 1344120432. Its totient is φ = 1344120430.

The previous prime is 1344120403. The next prime is 1344120461. The reversal of 1344120431 is 1340214431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1344120431 - 2¹⁰ = 1344119407 is a prime.

It is a super-2 number, since 2×1344120431² = 3613319466063251522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1344120397 and 1344120406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344120461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672060215 + 672060216.

It is an arithmetic number, because the mean of its divisors is an integer number (672060216).

Almost surely, 2^1344120431 is an apocalyptic number.

1344120431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344120431 is an equidigital number, since it uses as much as digits as its factorization.

1344120431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1344120431 is about 36662.2480352747. The cubic root of 1344120431 is about 1103.6026318693.

Adding to 1344120431 its reverse (1340214431), we get a palindrome (2684334862).

The spelling of 1344120431 in words is "one billion, three hundred forty-four million, one hundred twenty thousand, four hundred thirty-one".