21131431341114 has 32 divisors (see below), whose sum is σ = 42637811097024. Its totient is φ = 6981321795840.

The previous prime is 21131431341103. The next prime is 21131431341121. The reversal of 21131431341114 is 41114313413112.

It is a happy number.

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, 32754057 + ... + 33392979.

It is an arithmetic number, because the mean of its divisors is an integer number (1332431596782).

Almost surely, 2^{21131431341114} is an apocalyptic number.

21131431341114 is an abundant number, since it is smaller than the sum of its proper divisors (21506379755910).

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

21131431341114 is a wasteful number, since it uses less digits than its factorization.

21131431341114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687822.

The product of its digits is 3456, while the sum is 30.

Adding to 21131431341114 its reverse (41114313413112), we get a palindrome (62245744754226).

The spelling of 21131431341114 in words is "twenty-one trillion, one hundred thirty-one billion, four hundred thirty-one million, three hundred forty-one thousand, one hundred fourteen".