1344666311 has 2 divisors, whose sum is σ = 1344666312. Its totient is φ = 1344666310.

The previous prime is 1344666241. The next prime is 1344666329. The reversal of 1344666311 is 1136664431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1344666311 - 2¹⁴ = 1344649927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344666331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672333155 + 672333156.

It is an arithmetic number, because the mean of its divisors is an integer number (672333156).

Almost surely, 2^1344666311 is an apocalyptic number.

1344666311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344666311 is an equidigital number, since it uses as much as digits as its factorization.

1344666311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 1344666311 is about 36669.6919948886. The cubic root of 1344666311 is about 1103.7520116061.

The spelling of 1344666311 in words is "one billion, three hundred forty-four million, six hundred sixty-six thousand, three hundred eleven".