30142020133 has 8 divisors (see below), whose sum is σ = 30982520088. Its totient is φ = 29311586304.

The previous prime is 30142020101. The next prime is 30142020137. The reversal of 30142020133 is 33102024103.

It can be written as a sum of positive squares in 4 ways, for example, as 7632119044 + 22509901089 = 87362^2 + 150033^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30142020133 - 2⁵ = 30142020101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30142020133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30142020137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2510460 + ... + 2522437.

It is an arithmetic number, because the mean of its divisors is an integer number (3872815011).

Almost surely, 2^30142020133 is an apocalyptic number.

It is an amenable number.

30142020133 is a deficient number, since it is larger than the sum of its proper divisors (840499955).

30142020133 is a wasteful number, since it uses less digits than its factorization.

30142020133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033063.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30142020133 its reverse (33102024103), we get a palindrome (63244044236).

The spelling of 30142020133 in words is "thirty billion, one hundred forty-two million, twenty thousand, one hundred thirty-three".