21231030301 has 8 divisors (see below), whose sum is σ = 23153607680. Its totient is φ = 19349798832.

The previous prime is 21231030277. The next prime is 21231030323. The reversal of 21231030301 is 10303013212.

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

It is not a de Polignac number, because 21231030301 - 2⁷ = 21231030173 is a prime.

It is a super-3 number, since 3×21231030301³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21231030361) 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, 10335405 + ... + 10337458.

It is an arithmetic number, because the mean of its divisors is an integer number (2894200960).

Almost surely, 2^21231030301 is an apocalyptic number.

It is an amenable number.

21231030301 is a deficient number, since it is larger than the sum of its proper divisors (1922577379).

21231030301 is a wasteful number, since it uses less digits than its factorization.

21231030301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20672955.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21231030301 its reverse (10303013212), we get a palindrome (31534043513).

The spelling of 21231030301 in words is "twenty-one billion, two hundred thirty-one million, thirty thousand, three hundred one".