21431132114 has 8 divisors (see below), whose sum is σ = 36739083648. Its totient is φ = 9184770900.

The previous prime is 21431132111. The next prime is 21431132123. The reversal of 21431132114 is 41123113412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 21431132114.

It is not an unprimeable number, because it can be changed into a prime (21431132111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765397562 + ... + 765397589.

It is an arithmetic number, because the mean of its divisors is an integer number (4592385456).

Almost surely, 2^21431132114 is an apocalyptic number.

21431132114 is a deficient number, since it is larger than the sum of its proper divisors (15307951534).

21431132114 is a wasteful number, since it uses less digits than its factorization.

21431132114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530795160.

The product of its digits is 576, while the sum is 23.

Adding to 21431132114 its reverse (41123113412), we get a palindrome (62554245526).

The spelling of 21431132114 in words is "twenty-one billion, four hundred thirty-one million, one hundred thirty-two thousand, one hundred fourteen".