21302433141 has 8 divisors (see below), whose sum is σ = 30985357344. Its totient is φ = 12910565520.

The previous prime is 21302433137. The next prime is 21302433149. The reversal of 21302433141 is 14133420312.

It is a happy number.

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

It is not a de Polignac number, because 21302433141 - 2² = 21302433137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302433149) 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, 322764106 + ... + 322764171.

It is an arithmetic number, because the mean of its divisors is an integer number (3873169668).

Almost surely, 2^21302433141 is an apocalyptic number.

It is an amenable number.

21302433141 is a deficient number, since it is larger than the sum of its proper divisors (9682924203).

21302433141 is a wasteful number, since it uses less digits than its factorization.

21302433141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645528291.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21302433141 its reverse (14133420312), we get a palindrome (35435853453).

The spelling of 21302433141 in words is "twenty-one billion, three hundred two million, four hundred thirty-three thousand, one hundred forty-one".