30470423522 has 90 divisors (see below), whose sum is σ = 58865056929. Its totient is φ = 11819752560.

The previous prime is 30470423521. The next prime is 30470423531. The reversal of 30470423522 is 22532407403.

It can be written as a sum of positive squares in 2 ways, for example, as 22939828681 + 7530594841 = 151459^2 + 86779^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=123431.

It is a super-2 number, since 2×30470423522² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30470423521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 133058504 + ... + 133058732.

Almost surely, 2^30470423522 is an apocalyptic number.

30470423522 is a deficient number, since it is larger than the sum of its proper divisors (28394633407).

30470423522 is an frugal number, since it uses more digits than its factorization.

30470423522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 32.

Multiplying 30470423522 by its sum of digits (32), we get a square (975053552704 = 987448²).

The spelling of 30470423522 in words is "thirty billion, four hundred seventy million, four hundred twenty-three thousand, five hundred twenty-two".