215112341 has 8 divisors (see below), whose sum is σ = 218200920. Its totient is φ = 212041728.

The previous prime is 215112329. The next prime is 215112347. The reversal of 215112341 is 143211512.

215112341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 119268241 + 95844100 = 10921^2 + 9790^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 215112341 - 2¹⁸ = 214850197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215112347) 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, 20615 + ... + 29243.

It is an arithmetic number, because the mean of its divisors is an integer number (27275115).

Almost surely, 2^215112341 is an apocalyptic number.

It is an amenable number.

215112341 is a deficient number, since it is larger than the sum of its proper divisors (3088579).

215112341 is an equidigital number, since it uses as much as digits as its factorization.

215112341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8983.

The product of its digits is 240, while the sum is 20.

The square root of 215112341 is about 14666.7085946370. The cubic root of 215112341 is about 599.1769650572.

Adding to 215112341 its reverse (143211512), we get a palindrome (358323853).

The spelling of 215112341 in words is "two hundred fifteen million, one hundred twelve thousand, three hundred forty-one".