343431097 has 2 divisors, whose sum is σ = 343431098. Its totient is φ = 343431096.

The previous prime is 343431073. The next prime is 343431103. The reversal of 343431097 is 790134343.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 334304656 + 9126441 = 18284^2 + 3021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343431097 is a prime.

It is equal to p_18469330 and since 343431097 and 18469330 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (343431797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171715548 + 171715549.

It is an arithmetic number, because the mean of its divisors is an integer number (171715549).

Almost surely, 2^343431097 is an apocalyptic number.

It is an amenable number.

343431097 is a deficient number, since it is larger than the sum of its proper divisors (1).

343431097 is an equidigital number, since it uses as much as digits as its factorization.

343431097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 343431097 is about 18531.8940478301. The cubic root of 343431097 is about 700.2931404891.

The spelling of 343431097 in words is "three hundred forty-three million, four hundred thirty-one thousand, ninety-seven".