215431354222030 has 64 divisors (see below), whose sum is σ = 391310982374400. Its totient is φ = 85390659809280.

The previous prime is 215431354221983. The next prime is 215431354222067. The reversal of 215431354222030 is 30222453134512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4230007606 + ... + 4230058534.

It is an arithmetic number, because the mean of its divisors is an integer number (6114234099600).

Almost surely, 2^{215431354222030} is an apocalyptic number.

215431354222030 is a deficient number, since it is larger than the sum of its proper divisors (175879628152370).

215431354222030 is a wasteful number, since it uses less digits than its factorization.

215431354222030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59629.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 215431354222030 in words is "two hundred fifteen trillion, four hundred thirty-one billion, three hundred fifty-four million, two hundred twenty-two thousand, thirty".