215030355130 has 16 divisors (see below), whose sum is σ = 387460799784. Its totient is φ = 85921884160.

The previous prime is 215030355101. The next prime is 215030355131. The reversal of 215030355130 is 31553030512.

It can be written as a sum of positive squares in 4 ways, for example, as 132702104089 + 82328251041 = 364283^2 + 286929^2 .

It is not an unprimeable number, because it can be changed into a prime (215030355131) 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, 11272231 + ... + 11291290.

Almost surely, 2^215030355130 is an apocalyptic number.

215030355130 is a deficient number, since it is larger than the sum of its proper divisors (172430444654).

215030355130 is a wasteful number, since it uses less digits than its factorization.

215030355130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22564481.

The product of its (nonzero) digits is 6750, while the sum is 28.

Adding to 215030355130 its reverse (31553030512), we get a palindrome (246583385642).

The spelling of 215030355130 in words is "two hundred fifteen billion, thirty million, three hundred fifty-five thousand, one hundred thirty".