215431424530 has 16 divisors (see below), whose sum is σ = 443173216320. Its totient is φ = 73862202672.

The previous prime is 215431424477. The next prime is 215431424531. The reversal of 215431424530 is 35424134512.

It is not an unprimeable number, because it can be changed into a prime (215431424531) 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, 1538795820 + ... + 1538795959.

It is an arithmetic number, because the mean of its divisors is an integer number (27698326020).

Almost surely, 2^215431424530 is an apocalyptic number.

215431424530 is an abundant number, since it is smaller than the sum of its proper divisors (227741791790).

215431424530 is a wasteful number, since it uses less digits than its factorization.

215431424530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077591793.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 215431424530 in words is "two hundred fifteen billion, four hundred thirty-one million, four hundred twenty-four thousand, five hundred thirty".