30655575243 has 12 divisors (see below), whose sum is σ = 44300081280. Its totient is φ = 20427908976.

The previous prime is 30655575241. The next prime is 30655575259. The reversal of 30655575243 is 34257555603.

30655575243 is a `hidden beast` number, since 3 + 0 + 6 + 5 + 557 + 52 + 43 = 666.

It is not a de Polignac number, because 30655575243 - 2¹ = 30655575241 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (30655575241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 740496 + ... + 780797.

It is an arithmetic number, because the mean of its divisors is an integer number (3691673440).

Almost surely, 2^30655575243 is an apocalyptic number.

30655575243 is a deficient number, since it is larger than the sum of its proper divisors (13644506037).

30655575243 is a wasteful number, since it uses less digits than its factorization.

30655575243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523538 (or 1523535 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 45.

The spelling of 30655575243 in words is "thirty billion, six hundred fifty-five million, five hundred seventy-five thousand, two hundred forty-three".