30435122218 has 4 divisors (see below), whose sum is σ = 45652683330. Its totient is φ = 15217561108.

The previous prime is 30435122197. The next prime is 30435122233. The reversal of 30435122218 is 81222153403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81222153403 = 1163 ⋅69838481.

It can be written as a sum of positive squares in only one way, i.e., 30162310929 + 272811289 = 173673^2 + 16517^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30435122218.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7608780553 + ... + 7608780556.

Almost surely, 2^30435122218 is an apocalyptic number.

30435122218 is a deficient number, since it is larger than the sum of its proper divisors (15217561112).

30435122218 is a wasteful number, since it uses less digits than its factorization.

30435122218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15217561111.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 30435122218 in words is "thirty billion, four hundred thirty-five million, one hundred twenty-two thousand, two hundred eighteen".