30813447076 has 6 divisors (see below), whose sum is σ = 53923532390. Its totient is φ = 15406723536.

The previous prime is 30813447061. The next prime is 30813447113. The reversal of 30813447076 is 67074431803.

It can be written as a sum of positive squares in only one way, i.e., 25623685476 + 5189761600 = 160074^2 + 72040^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3851680881 + ... + 3851680888.

Almost surely, 2^30813447076 is an apocalyptic number.

It is an amenable number.

30813447076 is a deficient number, since it is larger than the sum of its proper divisors (23110085314).

30813447076 is a wasteful number, since it uses less digits than its factorization.

30813447076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7703361773 (or 7703361771 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

Adding to 30813447076 its reverse (67074431803), we get a palindrome (97887878879).

The spelling of 30813447076 in words is "thirty billion, eight hundred thirteen million, four hundred forty-seven thousand, seventy-six".