343242211212451 has 4 divisors (see below), whose sum is σ = 343582391799400. Its totient is φ = 342902030625504.

The previous prime is 343242211212437. The next prime is 343242211212487. The reversal of 343242211212451 is 154212112242343.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 343242211212451 - 2⁷ = 343242211212323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343242211212451.

It is not an unprimeable number, because it can be changed into a prime (343242211012451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170090291961 + ... + 170090293978.

It is an arithmetic number, because the mean of its divisors is an integer number (85895597949850).

Almost surely, 2^{343242211212451} is an apocalyptic number.

343242211212451 is a deficient number, since it is larger than the sum of its proper divisors (340180586949).

343242211212451 is a wasteful number, since it uses less digits than its factorization.

343242211212451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340180586948.

The product of its digits is 92160, while the sum is 37.

Adding to 343242211212451 its reverse (154212112242343), we get a palindrome (497454323454794).

The spelling of 343242211212451 in words is "three hundred forty-three trillion, two hundred forty-two billion, two hundred eleven million, two hundred twelve thousand, four hundred fifty-one".