30121043134 has 24 divisors (see below), whose sum is σ = 56601083448. Its totient is φ = 11916016560.

The previous prime is 30121043131. The next prime is 30121043167. The reversal of 30121043134 is 43134012103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121043131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11820172 + ... + 11822719.

It is an arithmetic number, because the mean of its divisors is an integer number (2358378477).

Almost surely, 2^30121043134 is an apocalyptic number.

30121043134 is a deficient number, since it is larger than the sum of its proper divisors (26480040314).

30121043134 is a wasteful number, since it uses less digits than its factorization.

30121043134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23642920 (or 23642913 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30121043134 its reverse (43134012103), we get a palindrome (73255055237).

The spelling of 30121043134 in words is "thirty billion, one hundred twenty-one million, forty-three thousand, one hundred thirty-four".