2215523231013 has 8 divisors (see below), whose sum is σ = 3049322296576. Its totient is φ = 1429369826400.

The previous prime is 2215523230993. The next prime is 2215523231021. The reversal of 2215523231013 is 3101323255122.

2215523231013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2215523231013 - 2¹⁰ = 2215523229989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215523231063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11911415128 + ... + 11911415313.

It is an arithmetic number, because the mean of its divisors is an integer number (381165287072).

Almost surely, 2^{2215523231013} is an apocalyptic number.

It is an amenable number.

2215523231013 is a deficient number, since it is larger than the sum of its proper divisors (833799065563).

2215523231013 is a wasteful number, since it uses less digits than its factorization.

2215523231013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23822830475.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 2215523231013 its reverse (3101323255122), we get a palindrome (5316846486135).

The spelling of 2215523231013 in words is "two trillion, two hundred fifteen billion, five hundred twenty-three million, two hundred thirty-one thousand, thirteen".