215135030 has 16 divisors (see below), whose sum is σ = 422447184. Its totient is φ = 78230880.

The previous prime is 215134999. The next prime is 215135047. The reversal of 215135030 is 30531512.

It is a super-2 number, since 2×215135030² = 92566162266201800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 215134993 and 215135011.

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, 977777 + ... + 977996.

It is an arithmetic number, because the mean of its divisors is an integer number (26402949).

Almost surely, 2^215135030 is an apocalyptic number.

215135030 is a deficient number, since it is larger than the sum of its proper divisors (207312154).

215135030 is a wasteful number, since it uses less digits than its factorization.

215135030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955791.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 215135030 is about 14667.4820606674. The cubic root of 215135030 is about 599.1980304040.

Adding to 215135030 its reverse (30531512), we get a palindrome (245666542).

The spelling of 215135030 in words is "two hundred fifteen million, one hundred thirty-five thousand, thirty".