30310021230 has 32 divisors (see below), whose sum is σ = 75906837504. Its totient is φ = 7731251616.

The previous prime is 30310021223. The next prime is 30310021241. The reversal of 30310021230 is 3212001303.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21963094 + ... + 21964473.

It is an arithmetic number, because the mean of its divisors is an integer number (2372088672).

Almost surely, 2^30310021230 is an apocalyptic number.

30310021230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30310021230 is an abundant number, since it is smaller than the sum of its proper divisors (45596816274).

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

30310021230 is a wasteful number, since it uses less digits than its factorization.

30310021230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43927600.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30310021230 its reverse (3212001303), we get a palindrome (33522022533).

The spelling of 30310021230 in words is "thirty billion, three hundred ten million, twenty-one thousand, two hundred thirty".