30470421052 has 12 divisors (see below), whose sum is σ = 53358537456. Its totient is φ = 15225124640.

The previous prime is 30470420933. The next prime is 30470421067. The reversal of 30470421052 is 25012407403.

It is a self number, because there is not a number n which added to its sum of digits gives 30470421052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2514673 + ... + 2526760.

It is an arithmetic number, because the mean of its divisors is an integer number (4446544788).

Almost surely, 2^30470421052 is an apocalyptic number.

It is an amenable number.

30470421052 is a deficient number, since it is larger than the sum of its proper divisors (22888116404).

30470421052 is a wasteful number, since it uses less digits than its factorization.

30470421052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5042948 (or 5042946 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

Adding to 30470421052 its reverse (25012407403), we get a palindrome (55482828455).

The spelling of 30470421052 in words is "thirty billion, four hundred seventy million, four hundred twenty-one thousand, fifty-two".