21306144301 has 8 divisors (see below), whose sum is σ = 22949498880. Its totient is φ = 19663421232.

The previous prime is 21306144289. The next prime is 21306144311. The reversal of 21306144301 is 10344160312.

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

It is not a de Polignac number, because 21306144301 - 2¹⁷ = 21306013229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21306144311) 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, 86605 + ... + 223858.

It is an arithmetic number, because the mean of its divisors is an integer number (2868687360).

Almost surely, 2^21306144301 is an apocalyptic number.

It is an amenable number.

21306144301 is a deficient number, since it is larger than the sum of its proper divisors (1643354579).

21306144301 is a wasteful number, since it uses less digits than its factorization.

21306144301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315755.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 21306144301 in words is "twenty-one billion, three hundred six million, one hundred forty-four thousand, three hundred one".