343315429 has 2 divisors, whose sum is σ = 343315430. Its totient is φ = 343315428.

The previous prime is 343315409. The next prime is 343315439. The reversal of 343315429 is 924513343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309408100 + 33907329 = 17590^2 + 5823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343315429 is a prime.

It is equal to p_18463516 and since 343315429 and 18463516 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 343315394 and 343315403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343315409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171657714 + 171657715.

It is an arithmetic number, because the mean of its divisors is an integer number (171657715).

Almost surely, 2^343315429 is an apocalyptic number.

It is an amenable number.

343315429 is a deficient number, since it is larger than the sum of its proper divisors (1).

343315429 is an equidigital number, since it uses as much as digits as its factorization.

343315429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 34.

The square root of 343315429 is about 18528.7730030890. The cubic root of 343315429 is about 700.2145118081.

The spelling of 343315429 in words is "three hundred forty-three million, three hundred fifteen thousand, four hundred twenty-nine".