343125484898281 has 2 divisors, whose sum is σ = 343125484898282. Its totient is φ = 343125484898280.

The previous prime is 343125484898249. The next prime is 343125484898293. The reversal of 343125484898281 is 182898484521343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320041688104681 + 23083796793600 = 17889709^2 + 4804560^2 .

It is an emirp because it is prime and its reverse (182898484521343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343125484898281 - 2⁵ = 343125484898249 is a prime.

It is a super-2 number, since 2×343125484898281² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 343125484898281.

It is not a weakly prime, because it can be changed into another prime (343125484898881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171562742449140 + 171562742449141.

It is an arithmetic number, because the mean of its divisors is an integer number (171562742449141).

Almost surely, 2^{343125484898281} is an apocalyptic number.

It is an amenable number.

343125484898281 is a deficient number, since it is larger than the sum of its proper divisors (1).

343125484898281 is an equidigital number, since it uses as much as digits as its factorization.

343125484898281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 424673280, while the sum is 70.

The spelling of 343125484898281 in words is "three hundred forty-three trillion, one hundred twenty-five billion, four hundred eighty-four million, eight hundred ninety-eight thousand, two hundred eighty-one".