21230150303 has 8 divisors (see below), whose sum is σ = 21262805760. Its totient is φ = 21197522520.

The previous prime is 21230150297. The next prime is 21230150309. The reversal of 21230150303 is 30305103212.

It is an interprime number because it is at equal distance from previous prime (21230150297) and next prime (21230150309).

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 21230150303 - 2²⁰ = 21229101727 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 (21230150309) 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, 1914188 + ... + 1925246.

It is an arithmetic number, because the mean of its divisors is an integer number (2657850720).

Almost surely, 2^21230150303 is an apocalyptic number.

21230150303 is a deficient number, since it is larger than the sum of its proper divisors (32655457).

21230150303 is a wasteful number, since it uses less digits than its factorization.

21230150303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13837.

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 21230150303 its reverse (30305103212), we get a palindrome (51535253515).

The spelling of 21230150303 in words is "twenty-one billion, two hundred thirty million, one hundred fifty thousand, three hundred three".