343042520507 has 2 divisors, whose sum is σ = 343042520508. Its totient is φ = 343042520506.

The previous prime is 343042520459. The next prime is 343042520533. The reversal of 343042520507 is 705025240343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343042520507 - 2³² = 338747553211 is a prime.

It is not a weakly prime, because it can be changed into another prime (343042522507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171521260253 + 171521260254.

It is an arithmetic number, because the mean of its divisors is an integer number (171521260254).

Almost surely, 2^343042520507 is an apocalyptic number.

343042520507 is a deficient number, since it is larger than the sum of its proper divisors (1).

343042520507 is an equidigital number, since it uses as much as digits as its factorization.

343042520507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 35.

The spelling of 343042520507 in words is "three hundred forty-three billion, forty-two million, five hundred twenty thousand, five hundred seven".