343481355 has 48 divisors (see below), whose sum is σ = 682568640. Its totient is φ = 156524544.

The previous prime is 343481353. The next prime is 343481357. The reversal of 343481355 is 553184343.

It is an interprime number because it is at equal distance from previous prime (343481353) and next prime (343481357).

It is not a de Polignac number, because 343481355 - 2¹ = 343481353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (343481351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109651 + ... + 112739.

It is an arithmetic number, because the mean of its divisors is an integer number (14220180).

Almost surely, 2^343481355 is an apocalyptic number.

343481355 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

343481355 is the 9267-th decagonal number.

343481355 is a deficient number, since it is larger than the sum of its proper divisors (339087285).

343481355 is a wasteful number, since it uses less digits than its factorization.

343481355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460 (or 3457 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 343481355 is about 18533.2499848246. The cubic root of 343481355 is about 700.3272993216.

The spelling of 343481355 in words is "three hundred forty-three million, four hundred eighty-one thousand, three hundred fifty-five".