2215304320043 has 16 divisors (see below), whose sum is σ = 2314174752384. Its totient is φ = 2119042373760.

The previous prime is 2215304319997. The next prime is 2215304320057. The reversal of 2215304320043 is 3400234035122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2215304320043 - 2³⁴ = 2198124450859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2215304319988 and 2215304320015.

It is not an unprimeable number, because it can be changed into a prime (2215304320063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2010680 + ... + 2910917.

It is an arithmetic number, because the mean of its divisors is an integer number (144635922024).

Almost surely, 2^{2215304320043} is an apocalyptic number.

2215304320043 is a deficient number, since it is larger than the sum of its proper divisors (98870432341).

2215304320043 is a wasteful number, since it uses less digits than its factorization.

2215304320043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4921862.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 2215304320043 its reverse (3400234035122), we get a palindrome (5615538355165).

The spelling of 2215304320043 in words is "two trillion, two hundred fifteen billion, three hundred four million, three hundred twenty thousand, forty-three".