340303069 has 2 divisors, whose sum is σ = 340303070. Its totient is φ = 340303068.

The previous prime is 340303031. The next prime is 340303099. The reversal of 340303069 is 960303043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270997444 + 69305625 = 16462^2 + 8325^2 .

It is a cyclic number.

It is not a de Polignac number, because 340303069 - 2¹¹ = 340301021 is a prime.

It is a super-2 number, since 2×340303069² = 231612357541637522, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340303099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170151534 + 170151535.

It is an arithmetic number, because the mean of its divisors is an integer number (170151535).

Almost surely, 2^340303069 is an apocalyptic number.

It is an amenable number.

340303069 is a deficient number, since it is larger than the sum of its proper divisors (1).

340303069 is an equidigital number, since it uses as much as digits as its factorization.

340303069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 340303069 is about 18447.3051961526. The cubic root of 340303069 is about 698.1605234755.

The spelling of 340303069 in words is "three hundred forty million, three hundred three thousand, sixty-nine".