21342114331 has 16 divisors (see below), whose sum is σ = 22246963200. Its totient is φ = 20451772800.

The previous prime is 21342114323. The next prime is 21342114341. The reversal of 21342114331 is 13341124312.

It is a cyclic number.

It is not a de Polignac number, because 21342114331 - 2³ = 21342114323 is a prime.

It is a super-2 number, since 2×21342114331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21342114296 and 21342114305.

It is not an unprimeable number, because it can be changed into a prime (21342114301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1329330 + ... + 1345288.

It is an arithmetic number, because the mean of its divisors is an integer number (1390435200).

Almost surely, 2^21342114331 is an apocalyptic number.

21342114331 is a deficient number, since it is larger than the sum of its proper divisors (904848869).

21342114331 is a wasteful number, since it uses less digits than its factorization.

21342114331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16410.

The product of its digits is 1728, while the sum is 25.

Adding to 21342114331 its reverse (13341124312), we get a palindrome (34683238643).

The spelling of 21342114331 in words is "twenty-one billion, three hundred forty-two million, one hundred fourteen thousand, three hundred thirty-one".