30545203512 has 16 divisors (see below), whose sum is σ = 76363008840. Its totient is φ = 10181734496.

The previous prime is 30545203511. The next prime is 30545203519. The reversal of 30545203512 is 21530254503.

It is a self number, because there is not a number n which added to its sum of digits gives 30545203512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30545203511) 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, 636358383 + ... + 636358430.

Almost surely, 2^30545203512 is an apocalyptic number.

It is an amenable number.

30545203512 is an abundant number, since it is smaller than the sum of its proper divisors (45817805328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30545203512 is a wasteful number, since it uses less digits than its factorization.

30545203512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272716822 (or 1272716818 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 30545203512 in words is "thirty billion, five hundred forty-five million, two hundred three thousand, five hundred twelve".