30134444142 has 32 divisors (see below), whose sum is σ = 67146776064. Its totient is φ = 8937358400.

The previous prime is 30134444117. The next prime is 30134444143. The reversal of 30134444142 is 24144443103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30134444143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4854159 + ... + 4860362.

It is an arithmetic number, because the mean of its divisors is an integer number (2098336752).

Almost surely, 2^30134444142 is an apocalyptic number.

30134444142 is an abundant number, since it is smaller than the sum of its proper divisors (37012331922).

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

30134444142 is a wasteful number, since it uses less digits than its factorization.

30134444142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9714584.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 30134444142 its reverse (24144443103), we get a palindrome (54278887245).

It can be divided in two parts, 301 and 34444142, that added together give a palindrome (34444443).

The spelling of 30134444142 in words is "thirty billion, one hundred thirty-four million, four hundred forty-four thousand, one hundred forty-two".