1343008081 has 2 divisors, whose sum is σ = 1343008082. Its totient is φ = 1343008080.

The previous prime is 1343008061. The next prime is 1343008151. The reversal of 1343008081 is 1808003431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 914518081 + 428490000 = 30241^2 + 20700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343008081 is a prime.

It is a super-2 number, since 2×1343008081² = 3607341411262605122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1343008021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671504040 + 671504041.

It is an arithmetic number, because the mean of its divisors is an integer number (671504041).

Almost surely, 2^1343008081 is an apocalyptic number.

It is an amenable number.

1343008081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343008081 is an equidigital number, since it uses as much as digits as its factorization.

1343008081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1343008081 is about 36647.0746581497. The cubic root of 1343008081 is about 1103.2981127321.

The spelling of 1343008081 in words is "one billion, three hundred forty-three million, eight thousand, eighty-one".