343103123220311 has 2 divisors, whose sum is σ = 343103123220312. Its totient is φ = 343103123220310.

The previous prime is 343103123220293. The next prime is 343103123220329. The reversal of 343103123220311 is 113022321301343.

It is a balanced prime because it is at equal distance from previous prime (343103123220293) and next prime (343103123220329).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343103123220311 is a prime.

It is a super-2 number, since 2×343103123220311² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343103123220911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171551561610155 + 171551561610156.

It is an arithmetic number, because the mean of its divisors is an integer number (171551561610156).

Almost surely, 2^{343103123220311} is an apocalyptic number.

343103123220311 is a deficient number, since it is larger than the sum of its proper divisors (1).

343103123220311 is an equidigital number, since it uses as much as digits as its factorization.

343103123220311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 343103123220311 its reverse (113022321301343), we get a palindrome (456125444521654).

The spelling of 343103123220311 in words is "three hundred forty-three trillion, one hundred three billion, one hundred twenty-three million, two hundred twenty thousand, three hundred eleven".