343431967 has 2 divisors, whose sum is σ = 343431968. Its totient is φ = 343431966.

The previous prime is 343431953. The next prime is 343432009. The reversal of 343431967 is 769134343.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343431967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343431937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171715983 + 171715984.

It is an arithmetic number, because the mean of its divisors is an integer number (171715984).

Almost surely, 2^343431967 is an apocalyptic number.

343431967 is a deficient number, since it is larger than the sum of its proper divisors (1).

343431967 is an equidigital number, since it uses as much as digits as its factorization.

343431967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 40.

The square root of 343431967 is about 18531.9175208611. The cubic root of 343431967 is about 700.2937318300.

The spelling of 343431967 in words is "three hundred forty-three million, four hundred thirty-one thousand, nine hundred sixty-seven".