1343694311 has 2 divisors, whose sum is σ = 1343694312. Its totient is φ = 1343694310.

The previous prime is 1343694299. The next prime is 1343694389. The reversal of 1343694311 is 1134963431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343694311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343694811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671847155 + 671847156.

It is an arithmetic number, because the mean of its divisors is an integer number (671847156).

Almost surely, 2^1343694311 is an apocalyptic number.

1343694311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343694311 is an equidigital number, since it uses as much as digits as its factorization.

1343694311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 1343694311 is about 36656.4361470124. The cubic root of 1343694311 is about 1103.4859962745.

The spelling of 1343694311 in words is "one billion, three hundred forty-three million, six hundred ninety-four thousand, three hundred eleven".