21032310230 has 32 divisors (see below), whose sum is σ = 37955174400. Its totient is φ = 8391398112.

The previous prime is 21032310227. The next prime is 21032310241. The reversal of 21032310230 is 3201323012.

It is a super-2 number, since 2×21032310230² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21032310199 and 21032310208.

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, 11956091 + ... + 11957849.

It is an arithmetic number, because the mean of its divisors is an integer number (1186099200).

Almost surely, 2^21032310230 is an apocalyptic number.

21032310230 is a deficient number, since it is larger than the sum of its proper divisors (16922864170).

21032310230 is a wasteful number, since it uses less digits than its factorization.

21032310230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21032310230 its reverse (3201323012), we get a palindrome (24233633242).

The spelling of 21032310230 in words is "twenty-one billion, thirty-two million, three hundred ten thousand, two hundred thirty".