30045534531 has 4 divisors (see below), whose sum is σ = 40060712712. Its totient is φ = 20030356352.

The previous prime is 30045534529. The next prime is 30045534581. The reversal of 30045534531 is 13543554003.

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 30045534531 - 2¹ = 30045534529 is a prime.

It is a super-2 number, since 2×30045534531² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30045534492 and 30045534501.

It is not an unprimeable number, because it can be changed into a prime (30045534581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5007589086 + ... + 5007589091.

It is an arithmetic number, because the mean of its divisors is an integer number (10015178178).

Almost surely, 2^30045534531 is an apocalyptic number.

30045534531 is a deficient number, since it is larger than the sum of its proper divisors (10015178181).

30045534531 is a wasteful number, since it uses less digits than its factorization.

30045534531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10015178180.

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 30045534531 in words is "thirty billion, forty-five million, five hundred thirty-four thousand, five hundred thirty-one".