343433020081 has 2 divisors, whose sum is σ = 343433020082. Its totient is φ = 343433020080.

The previous prime is 343433020061. The next prime is 343433020127. The reversal of 343433020081 is 180020334343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198211053681 + 145221966400 = 445209^2 + 381080^2 .

It is a cyclic number.

It is not a de Polignac number, because 343433020081 - 2³⁷ = 205994066609 is a prime.

It is a super-2 number, since 2×343433020081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (343433020061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171716510040 + 171716510041.

It is an arithmetic number, because the mean of its divisors is an integer number (171716510041).

Almost surely, 2^343433020081 is an apocalyptic number.

It is an amenable number.

343433020081 is a deficient number, since it is larger than the sum of its proper divisors (1).

343433020081 is an equidigital number, since it uses as much as digits as its factorization.

343433020081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 343433020081 in words is "three hundred forty-three billion, four hundred thirty-three million, twenty thousand, eighty-one".