21422142313 has 8 divisors (see below), whose sum is σ = 25167272256. Its totient is φ = 17976622800.

The previous prime is 21422142311. The next prime is 21422142331. The reversal of 21422142313 is 31324122412.

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

It is a cyclic number.

It is not a de Polignac number, because 21422142313 - 2¹ = 21422142311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21422142311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74902453 + ... + 74902738.

It is an arithmetic number, because the mean of its divisors is an integer number (3145909032).

Almost surely, 2^21422142313 is an apocalyptic number.

It is an amenable number.

21422142313 is a deficient number, since it is larger than the sum of its proper divisors (3745129943).

21422142313 is a wasteful number, since it uses less digits than its factorization.

21422142313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149805215.

The product of its digits is 2304, while the sum is 25.

Adding to 21422142313 its reverse (31324122412), we get a palindrome (52746264725).

The spelling of 21422142313 in words is "twenty-one billion, four hundred twenty-two million, one hundred forty-two thousand, three hundred thirteen".