1344531451 has 2 divisors, whose sum is σ = 1344531452. Its totient is φ = 1344531450.

The previous prime is 1344531421. The next prime is 1344531497. The reversal of 1344531451 is 1541354431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1344531451 - 2¹⁹ = 1344007163 is a prime.

It is not a weakly prime, because it can be changed into another prime (1344531421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672265725 + 672265726.

It is an arithmetic number, because the mean of its divisors is an integer number (672265726).

Almost surely, 2^1344531451 is an apocalyptic number.

1344531451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344531451 is an equidigital number, since it uses as much as digits as its factorization.

1344531451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 31.

The square root of 1344531451 is about 36667.8531005021. The cubic root of 1344531451 is about 1103.7151110081.

Adding to 1344531451 its reverse (1541354431), we get a palindrome (2885885882).

The spelling of 1344531451 in words is "one billion, three hundred forty-four million, five hundred thirty-one thousand, four hundred fifty-one".