22131304342342 has 16 divisors (see below), whose sum is σ = 36983346780240. Its totient is φ = 9862225807392.

The previous prime is 22131304342297. The next prime is 22131304342361. The reversal of 22131304342342 is 24324340313122.

It is a junction number, because it is equal to n+sod(n) for n = 22131304342298 and 22131304342307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14675930508 + ... + 14675932015.

It is an arithmetic number, because the mean of its divisors is an integer number (2311459173765).

Almost surely, 2^{22131304342342} is an apocalyptic number.

22131304342342 is a deficient number, since it is larger than the sum of its proper divisors (14852042437898).

22131304342342 is a wasteful number, since it uses less digits than its factorization.

22131304342342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29351862567.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 22131304342342 its reverse (24324340313122), we get a palindrome (46455644655464).

The spelling of 22131304342342 in words is "twenty-two trillion, one hundred thirty-one billion, three hundred four million, three hundred forty-two thousand, three hundred forty-two".