21313103050 has 48 divisors (see below), whose sum is σ = 40267547712. Its totient is φ = 8391196800.

The previous prime is 21313103047. The next prime is 21313103069. The reversal of 21313103050 is 5030131312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2277982 + ... + 2287318.

It is an arithmetic number, because the mean of its divisors is an integer number (838907244).

Almost surely, 2^21313103050 is an apocalyptic number.

21313103050 is a deficient number, since it is larger than the sum of its proper divisors (18954444662).

21313103050 is a wasteful number, since it uses less digits than its factorization.

21313103050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10063 (or 10058 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

Adding to 21313103050 its reverse (5030131312), we get a palindrome (26343234362).

The spelling of 21313103050 in words is "twenty-one billion, three hundred thirteen million, one hundred three thousand, fifty".