21232301030 has 16 divisors (see below), whose sum is σ = 38253127824. Its totient is φ = 8485145760.

The previous prime is 21232301023. The next prime is 21232301033. The reversal of 21232301030 is 3010323212.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232301033) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 960356 + ... + 982215.

It is an arithmetic number, because the mean of its divisors is an integer number (2390820489).

Almost surely, 2^21232301030 is an apocalyptic number.

21232301030 is a deficient number, since it is larger than the sum of its proper divisors (17020826794).

21232301030 is a wasteful number, since it uses less digits than its factorization.

21232301030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943671.

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

Adding to 21232301030 its reverse (3010323212), we get a palindrome (24242624242).

The spelling of 21232301030 in words is "twenty-one billion, two hundred thirty-two million, three hundred one thousand, thirty".