345280811236 has 9 divisors (see below), whose sum is σ = 604243476291. Its totient is φ = 172639818012.

The previous prime is 345280811221. The next prime is 345280811237. The reversal of 345280811236 is 632118082543.

The square root of 345280811236 is 587606.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345280811192 and 345280811201.

It is not an unprimeable number, because it can be changed into a prime (345280811237) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1028311 + ... + 1322113.

Almost surely, 2^345280811236 is an apocalyptic number.

345280811236 is the 587606-th square number.

It is an amenable number.

345280811236 is a deficient number, since it is larger than the sum of its proper divisors (258962665055).

345280811236 is an frugal number, since it uses more digits than its factorization.

345280811236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587610 (or 293805 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

Adding to 345280811236 its reverse (632118082543), we get a palindrome (977398893779).

The spelling of 345280811236 in words is "three hundred forty-five billion, two hundred eighty million, eight hundred eleven thousand, two hundred thirty-six".