21313112332 has 12 divisors (see below), whose sum is σ = 38584082880. Its totient is φ = 10289088656.

The previous prime is 21313112329. The next prime is 21313112371. The reversal of 21313112332 is 23321131312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91866748 + ... + 91866979.

It is an arithmetic number, because the mean of its divisors is an integer number (3215340240).

Almost surely, 2^21313112332 is an apocalyptic number.

It is an amenable number.

21313112332 is a deficient number, since it is larger than the sum of its proper divisors (17270970548).

21313112332 is a wasteful number, since it uses less digits than its factorization.

21313112332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183733760 (or 183733758 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

Adding to 21313112332 its reverse (23321131312), we get a palindrome (44634243644).

The spelling of 21313112332 in words is "twenty-one billion, three hundred thirteen million, one hundred twelve thousand, three hundred thirty-two".