30905077230 has 64 divisors (see below), whose sum is σ = 85996753920. Its totient is φ = 7883032608.

The previous prime is 30905077213. The next prime is 30905077237. The reversal of 30905077230 is 3277050903.

It is a happy number.

30905077230 is a `hidden beast` number, since 30 + 90 + 507 + 7 + 2 + 30 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30905077237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2482122 + ... + 2494541.

It is an arithmetic number, because the mean of its divisors is an integer number (1343699280).

Almost surely, 2^30905077230 is an apocalyptic number.

30905077230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30905077230 is an abundant number, since it is smaller than the sum of its proper divisors (55091676690).

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

30905077230 is a wasteful number, since it uses less digits than its factorization.

30905077230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4976702 (or 4976696 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 36.

The spelling of 30905077230 in words is "thirty billion, nine hundred five million, seventy-seven thousand, two hundred thirty".