30158481053 has 4 divisors (see below), whose sum is σ = 30287916828. Its totient is φ = 30029045280.

The previous prime is 30158481047. The next prime is 30158481079. The reversal of 30158481053 is 35018485103.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15049646329 + 15108834724 = 122677^2 + 122918^2 .

It is a cyclic number.

It is not a de Polignac number, because 30158481053 - 2¹⁶ = 30158415517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30158480998 and 30158481016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30158481043) 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, 64717538 + ... + 64718003.

It is an arithmetic number, because the mean of its divisors is an integer number (7571979207).

Almost surely, 2^30158481053 is an apocalyptic number.

It is an amenable number.

30158481053 is a deficient number, since it is larger than the sum of its proper divisors (129435775).

30158481053 is a wasteful number, since it uses less digits than its factorization.

30158481053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129435774.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 30158481053 in words is "thirty billion, one hundred fifty-eight million, four hundred eighty-one thousand, fifty-three".