20342344032131 has 64 divisors (see below), whose sum is σ = 23970219840000. Its totient is φ = 17084254387200.

The previous prime is 20342344032103. The next prime is 20342344032203. The reversal of 20342344032131 is 13123044324302.

It is a de Polignac number, because none of the positive numbers 2^k-20342344032131 is a prime.

It is a super-2 number, since 2×20342344032131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20342344022131) 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 63 ways as a sum of consecutive naturals, for example, 2425457120 + ... + 2425465506.

It is an arithmetic number, because the mean of its divisors is an integer number (374534685000).

Almost surely, 2^{20342344032131} is an apocalyptic number.

20342344032131 is a deficient number, since it is larger than the sum of its proper divisors (3627875807869).

20342344032131 is a wasteful number, since it uses less digits than its factorization.

20342344032131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12020.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 20342344032131 its reverse (13123044324302), we get a palindrome (33465388356433).

The spelling of 20342344032131 in words is "twenty trillion, three hundred forty-two billion, three hundred forty-four million, thirty-two thousand, one hundred thirty-one".