1343011973 has 2 divisors, whose sum is σ = 1343011974. Its totient is φ = 1343011972.

The previous prime is 1343011937. The next prime is 1343012003. The reversal of 1343011973 is 3791103431.

It is a happy number.

Together with previous prime (1343011937) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1165403044 + 177608929 = 34138^2 + 13327^2 .

It is an emirp because it is prime and its reverse (3791103431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1343011973 - 2⁶ = 1343011909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343011913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671505986 + 671505987.

It is an arithmetic number, because the mean of its divisors is an integer number (671505987).

Almost surely, 2^1343011973 is an apocalyptic number.

It is an amenable number.

1343011973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343011973 is an equidigital number, since it uses as much as digits as its factorization.

1343011973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 1343011973 is about 36647.1277592119. The cubic root of 1343011973 is about 1103.2991785068.

The spelling of 1343011973 in words is "one billion, three hundred forty-three million, eleven thousand, nine hundred seventy-three".