21032310308 has 48 divisors (see below), whose sum is σ = 39832176384. Its totient is φ = 9679342080.

The previous prime is 21032310301. The next prime is 21032310311. The reversal of 21032310308 is 80301323012.

It is not an unprimeable number, because it can be changed into a prime (21032310301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7096835 + ... + 7099797.

It is an arithmetic number, because the mean of its divisors is an integer number (829837008).

Almost surely, 2^21032310308 is an apocalyptic number.

It is an amenable number.

21032310308 is a deficient number, since it is larger than the sum of its proper divisors (18799866076).

21032310308 is a wasteful number, since it uses less digits than its factorization.

21032310308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5252 (or 5250 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 21032310308 in words is "twenty-one billion, thirty-two million, three hundred ten thousand, three hundred eight".