21313144314 has 48 divisors (see below), whose sum is σ = 57573172800. Its totient is φ = 5535881280.

The previous prime is 21313144309. The next prime is 21313144337. The reversal of 21313144314 is 41344131312.

21313144314 is a `hidden beast` number, since 2 + 1 + 31 + 314 + 4 + 314 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7687339 + ... + 7690110.

It is an arithmetic number, because the mean of its divisors is an integer number (1199441100).

Almost surely, 2^21313144314 is an apocalyptic number.

21313144314 is an abundant number, since it is smaller than the sum of its proper divisors (36260028486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21313144314 is a wasteful number, since it uses less digits than its factorization.

21313144314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15377475 (or 15377472 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 21313144314 its reverse (41344131312), we get a palindrome (62657275626).

The spelling of 21313144314 in words is "twenty-one billion, three hundred thirteen million, one hundred forty-four thousand, three hundred fourteen".