215342030 has 16 divisors (see below), whose sum is σ = 388022400. Its totient is φ = 86046432.

The previous prime is 215342011. The next prime is 215342041. The reversal of 215342030 is 30243512.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 215341993 and 215342011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 830 + ... + 20769.

It is an arithmetic number, because the mean of its divisors is an integer number (24251400).

Almost surely, 2^215342030 is an apocalyptic number.

215342030 is a deficient number, since it is larger than the sum of its proper divisors (172680370).

215342030 is a wasteful number, since it uses less digits than its factorization.

215342030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22603.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 215342030 is about 14674.5367899638. The cubic root of 215342030 is about 599.3901488645.

Adding to 215342030 its reverse (30243512), we get a palindrome (245585542).

The spelling of 215342030 in words is "two hundred fifteen million, three hundred forty-two thousand, thirty".