21203103001308 has 48 divisors (see below), whose sum is σ = 49493416836864. Its totient is φ = 7064914383360.

The previous prime is 21203103001247. The next prime is 21203103001313. The reversal of 21203103001308 is 80310030130212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429474841 + ... + 429524207.

It is an arithmetic number, because the mean of its divisors is an integer number (1031112850768).

Almost surely, 2^{21203103001308} is an apocalyptic number.

It is an amenable number.

21203103001308 is an abundant number, since it is smaller than the sum of its proper divisors (28290313835556).

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

21203103001308 is a wasteful number, since it uses less digits than its factorization.

21203103001308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62762 (or 62760 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 21203103001308 in words is "twenty-one trillion, two hundred three billion, one hundred three million, one thousand, three hundred eight".