215432130 has 32 divisors (see below), whose sum is σ = 531013824. Its totient is φ = 55895616.

The previous prime is 215432111. The next prime is 215432141. The reversal of 215432130 is 31234512.

It is a super-2 number, since 2×215432130² = 92822005272673800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 215432097 and 215432106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95932 + ... + 98151.

It is an arithmetic number, because the mean of its divisors is an integer number (16594182).

Almost surely, 2^215432130 is an apocalyptic number.

215432130 is an abundant number, since it is smaller than the sum of its proper divisors (315581694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215432130 is a wasteful number, since it uses less digits than its factorization.

215432130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194130.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 215432130 is about 14677.6064124911. The cubic root of 215432130 is about 599.4737329844.

Adding to 215432130 its reverse (31234512), we get a palindrome (246666642).

The spelling of 215432130 in words is "two hundred fifteen million, four hundred thirty-two thousand, one hundred thirty".