21030113230 has 32 divisors (see below), whose sum is σ = 43269137856. Its totient is φ = 7209126144.

The previous prime is 21030113207. The next prime is 21030113263. The reversal of 21030113230 is 3231103012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468322 + ... + 511258.

It is an arithmetic number, because the mean of its divisors is an integer number (1352160558).

Almost surely, 2^21030113230 is an apocalyptic number.

21030113230 is an abundant number, since it is smaller than the sum of its proper divisors (22239024626).

21030113230 is a wasteful number, since it uses less digits than its factorization.

21030113230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49948.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21030113230 its reverse (3231103012), we get a palindrome (24261216242).

The spelling of 21030113230 in words is "twenty-one billion, thirty million, one hundred thirteen thousand, two hundred thirty".