343311543413 has 2 divisors, whose sum is σ = 343311543414. Its totient is φ = 343311543412.

The previous prime is 343311543409. The next prime is 343311543433. The reversal of 343311543413 is 314345113343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 329294640964 + 14016902449 = 573842^2 + 118393^2 .

It is a cyclic number.

It is not a de Polignac number, because 343311543413 - 2² = 343311543409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343311543433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171655771706 + 171655771707.

It is an arithmetic number, because the mean of its divisors is an integer number (171655771707).

Almost surely, 2^343311543413 is an apocalyptic number.

It is an amenable number.

343311543413 is a deficient number, since it is larger than the sum of its proper divisors (1).

343311543413 is an equidigital number, since it uses as much as digits as its factorization.

343311543413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 35.

Adding to 343311543413 its reverse (314345113343), we get a palindrome (657656656756).

The spelling of 343311543413 in words is "three hundred forty-three billion, three hundred eleven million, five hundred forty-three thousand, four hundred thirteen".