21312102314 has 32 divisors (see below), whose sum is σ = 32979260160. Its totient is φ = 10324600000.

The previous prime is 21312102281. The next prime is 21312102337. The reversal of 21312102314 is 41320121312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4483439 + ... + 4488189.

It is an arithmetic number, because the mean of its divisors is an integer number (1030601880).

Almost surely, 2^21312102314 is an apocalyptic number.

21312102314 is a deficient number, since it is larger than the sum of its proper divisors (11667157846).

21312102314 is a wasteful number, since it uses less digits than its factorization.

21312102314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5326.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21312102314 its reverse (41320121312), we get a palindrome (62632223626).

The spelling of 21312102314 in words is "twenty-one billion, three hundred twelve million, one hundred two thousand, three hundred fourteen".