30142402132 has 12 divisors (see below), whose sum is σ = 53043893280. Its totient is φ = 14987004056.

The previous prime is 30142402039. The next prime is 30142402139. The reversal of 30142402132 is 23120424103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30142402139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21048448 + ... + 21049879.

It is an arithmetic number, because the mean of its divisors is an integer number (4420324440).

Almost surely, 2^30142402132 is an apocalyptic number.

It is an amenable number.

30142402132 is a deficient number, since it is larger than the sum of its proper divisors (22901491148).

30142402132 is a wasteful number, since it uses less digits than its factorization.

30142402132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42098510 (or 42098508 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 30142402132 its reverse (23120424103), we get a palindrome (53262826235).

The spelling of 30142402132 in words is "thirty billion, one hundred forty-two million, four hundred two thousand, one hundred thirty-two".