343400324013431 has 2 divisors, whose sum is σ = 343400324013432. Its totient is φ = 343400324013430.

The previous prime is 343400324013403. The next prime is 343400324013433. The reversal of 343400324013431 is 134310423004343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343400324013431 - 2¹⁴ = 343400323997047 is a prime.

It is a super-2 number, since 2×343400324013431² (a number of 30 digits) contains 22 as substring.

Together with 343400324013433, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 343400324013391 and 343400324013400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343400324013433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171700162006715 + 171700162006716.

It is an arithmetic number, because the mean of its divisors is an integer number (171700162006716).

Almost surely, 2^{343400324013431} is an apocalyptic number.

343400324013431 is a deficient number, since it is larger than the sum of its proper divisors (1).

343400324013431 is an equidigital number, since it uses as much as digits as its factorization.

343400324013431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 343400324013431 its reverse (134310423004343), we get a palindrome (477710747017774).

The spelling of 343400324013431 in words is "three hundred forty-three trillion, four hundred billion, three hundred twenty-four million, thirteen thousand, four hundred thirty-one".