30203242230 has 64 divisors (see below), whose sum is σ = 82921724928. Its totient is φ = 6897052800.

The previous prime is 30203242171. The next prime is 30203242241. The reversal of 30203242230 is 3224230203.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 30203242197 and 30203242206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155580 + ... + 290880.

It is an arithmetic number, because the mean of its divisors is an integer number (1295651952).

Almost surely, 2^30203242230 is an apocalyptic number.

30203242230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30203242230 is an abundant number, since it is smaller than the sum of its proper divisors (52718482698).

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

30203242230 is a wasteful number, since it uses less digits than its factorization.

30203242230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136381.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 30203242230 its reverse (3224230203), we get a palindrome (33427472433).

The spelling of 30203242230 in words is "thirty billion, two hundred three million, two hundred forty-two thousand, two hundred thirty".