30331012134 has 64 divisors (see below), whose sum is σ = 64433553408. Its totient is φ = 9498535200.

The previous prime is 30331012133. The next prime is 30331012147. The reversal of 30331012134 is 43121013303.

It is a self number, because there is not a number n which added to its sum of digits gives 30331012134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30331012133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2649547 + ... + 2660969.

It is an arithmetic number, because the mean of its divisors is an integer number (1006774272).

Almost surely, 2^30331012134 is an apocalyptic number.

30331012134 is an abundant number, since it is smaller than the sum of its proper divisors (34102541274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30331012134 is a wasteful number, since it uses less digits than its factorization.

30331012134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11793.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30331012134 its reverse (43121013303), we get a palindrome (73452025437).

The spelling of 30331012134 in words is "thirty billion, three hundred thirty-one million, twelve thousand, one hundred thirty-four".