21310150 has 24 divisors (see below), whose sum is σ = 40711680. Its totient is φ = 8292960.

The previous prime is 21310147. The next prime is 21310181. The reversal of 21310150 is 5101312.

It is a self number, because there is not a number n which added to its sum of digits gives 21310150.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3910 + ... + 7609.

It is an arithmetic number, because the mean of its divisors is an integer number (1696320).

Almost surely, 2^21310150 is an apocalyptic number.

21310150 is a deficient number, since it is larger than the sum of its proper divisors (19401530).

21310150 is a wasteful number, since it uses less digits than its factorization.

21310150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11568 (or 11563 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 21310150 is about 4616.2918018687. The cubic root of 21310150 is about 277.2440081662.

Adding to 21310150 its reverse (5101312), we get a palindrome (26411462).

The spelling of 21310150 in words is "twenty-one million, three hundred ten thousand, one hundred fifty".