21413001203 has 8 divisors (see below), whose sum is σ = 23360840640. Its totient is φ = 19465362280.

The previous prime is 21413001199. The next prime is 21413001209. The reversal of 21413001203 is 30210031412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21413001203 - 2² = 21413001199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21413001209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252776 + ... + 326682.

It is an arithmetic number, because the mean of its divisors is an integer number (2920105080).

Almost surely, 2^21413001203 is an apocalyptic number.

21413001203 is a deficient number, since it is larger than the sum of its proper divisors (1947839437).

21413001203 is a wasteful number, since it uses less digits than its factorization.

21413001203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100257.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21413001203 its reverse (30210031412), we get a palindrome (51623032615).

The spelling of 21413001203 in words is "twenty-one billion, four hundred thirteen million, one thousand, two hundred three".