21431413114 has 8 divisors (see below), whose sum is σ = 32151350880. Its totient is φ = 10714296156.

The previous prime is 21431413093. The next prime is 21431413141. The reversal of 21431413114 is 41131413412.

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

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, 686104 + ... + 716659.

It is an arithmetic number, because the mean of its divisors is an integer number (4018918860).

Almost surely, 2^21431413114 is an apocalyptic number.

21431413114 is a deficient number, since it is larger than the sum of its proper divisors (10719937766).

21431413114 is a wasteful number, since it uses less digits than its factorization.

21431413114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410404.

The product of its digits is 1152, while the sum is 25.

Adding to 21431413114 its reverse (41131413412), we get a palindrome (62562826526).

The spelling of 21431413114 in words is "twenty-one billion, four hundred thirty-one million, four hundred thirteen thousand, one hundred fourteen".