315220322343 has 16 divisors (see below), whose sum is σ = 429266198016.
Its totient is φ = 205661289600.
The previous prime is 315220322341. The next prime is 315220322357. The reversal of 315220322343 is 343223022513.
Adding to 315220322343 its reverse (343223022513), we get a palindrome (658443344856).
It is a happy number.
It is not a de Polignac number, because 315220322343 - 21 = 315220322341 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 315220322343.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (315220322341) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2174943 + ... + 2315343.
It is an arithmetic number, because the mean of its divisors is an integer number (26829137376).
Almost surely, 2315220322343 is an apocalyptic number.
315220322343 is a deficient number, since it is larger than the sum of its proper divisors (114045875673).
315220322343 is a wasteful number, since it uses less digits than its factorization.
315220322343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156374.
The product of its (nonzero) digits is 25920, while the sum is 30.
The spelling of 315220322343 in words is "three hundred fifteen billion, two hundred twenty million, three hundred twenty-two thousand, three hundred forty-three".