30520416142135 has 4 divisors (see below), whose sum is σ = 36624499370568. Its totient is φ = 24416332913704.

The previous prime is 30520416142133. The next prime is 30520416142147. The reversal of 30520416142135 is 53124161402503.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30520416142135 - 2¹ = 30520416142133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30520416142094 and 30520416142103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30520416142133) 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 3 ways as a sum of consecutive naturals, for example, 3052041614209 + ... + 3052041614218.

It is an arithmetic number, because the mean of its divisors is an integer number (9156124842642).

Almost surely, 2^{30520416142135} is an apocalyptic number.

30520416142135 is a deficient number, since it is larger than the sum of its proper divisors (6104083228433).

30520416142135 is an equidigital number, since it uses as much as digits as its factorization.

30520416142135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6104083228432.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 30520416142135 its reverse (53124161402503), we get a palindrome (83644577544638).

The spelling of 30520416142135 in words is "thirty trillion, five hundred twenty billion, four hundred sixteen million, one hundred forty-two thousand, one hundred thirty-five".