343351212505 has 8 divisors (see below), whose sum is σ = 470881662912. Its totient is φ = 235440831408.

The previous prime is 343351212481. The next prime is 343351212511. The reversal of 343351212505 is 505212153343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 343351212505 - 2⁵ = 343351212473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4905017287 + ... + 4905017356.

It is an arithmetic number, because the mean of its divisors is an integer number (58860207864).

Almost surely, 2^343351212505 is an apocalyptic number.

343351212505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

343351212505 is a deficient number, since it is larger than the sum of its proper divisors (127530450407).

343351212505 is an equidigital number, since it uses as much as digits as its factorization.

343351212505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9810034655.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 343351212505 its reverse (505212153343), we get a palindrome (848563365848).

The spelling of 343351212505 in words is "three hundred forty-three billion, three hundred fifty-one million, two hundred twelve thousand, five hundred five".