1340402030311 has 2 divisors, whose sum is σ = 1340402030312. Its totient is φ = 1340402030310.

The previous prime is 1340402030273. The next prime is 1340402030323. The reversal of 1340402030311 is 1130302040431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1340402030311 - 2⁷ = 1340402030183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340402060311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670201015155 + 670201015156.

It is an arithmetic number, because the mean of its divisors is an integer number (670201015156).

Almost surely, 2^{1340402030311} is an apocalyptic number.

1340402030311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340402030311 is an equidigital number, since it uses as much as digits as its factorization.

1340402030311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1340402030311 its reverse (1130302040431), we get a palindrome (2470704070742).

The spelling of 1340402030311 in words is "one trillion, three hundred forty billion, four hundred two million, thirty thousand, three hundred eleven".