21232000301 has 2 divisors, whose sum is σ = 21232000302. Its totient is φ = 21232000300.

The previous prime is 21232000291. The next prime is 21232000351. The reversal of 21232000301 is 10300023212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20864358025 + 367642276 = 144445^2 + 19174^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21232000301 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21232000351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10616000150 + 10616000151.

It is an arithmetic number, because the mean of its divisors is an integer number (10616000151).

Almost surely, 2^21232000301 is an apocalyptic number.

It is an amenable number.

21232000301 is a deficient number, since it is larger than the sum of its proper divisors (1).

21232000301 is an equidigital number, since it uses as much as digits as its factorization.

21232000301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 21232000301 its reverse (10300023212), we get a palindrome (31532023513).

The spelling of 21232000301 in words is "twenty-one billion, two hundred thirty-two million, three hundred one", and thus it is an aban number.