30142321134 has 16 divisors (see below), whose sum is σ = 60290209872. Its totient is φ = 10046512448.

The previous prime is 30142321133. The next prime is 30142321177. The reversal of 30142321134 is 43112324103.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30142321133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159879 + ... + 292994.

It is an arithmetic number, because the mean of its divisors is an integer number (3768138117).

Almost surely, 2^30142321134 is an apocalyptic number.

30142321134 is an abundant number, since it is smaller than the sum of its proper divisors (30147888738).

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

30142321134 is a wasteful number, since it uses less digits than its factorization.

30142321134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463971.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 30142321134 its reverse (43112324103), we get a palindrome (73254645237).

The spelling of 30142321134 in words is "thirty billion, one hundred forty-two million, three hundred twenty-one thousand, one hundred thirty-four".