20142213423131 has 4 divisors (see below), whose sum is σ = 20791962243264. Its totient is φ = 19492464603000.

The previous prime is 20142213423119. The next prime is 20142213423149. The reversal of 20142213423131 is 13132431224102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20142213423131 is a prime.

It is a super-2 number, since 2×20142213423131² (a number of 27 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 = 20142213423094 and 20142213423103.

It is not an unprimeable number, because it can be changed into a prime (20142213428131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324874410020 + ... + 324874410081.

It is an arithmetic number, because the mean of its divisors is an integer number (5197990560816).

Almost surely, 2^{20142213423131} is an apocalyptic number.

20142213423131 is a deficient number, since it is larger than the sum of its proper divisors (649748820133).

20142213423131 is an equidigital number, since it uses as much as digits as its factorization.

20142213423131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649748820132.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 20142213423131 its reverse (13132431224102), we get a palindrome (33274644647233).

The spelling of 20142213423131 in words is "twenty trillion, one hundred forty-two billion, two hundred thirteen million, four hundred twenty-three thousand, one hundred thirty-one".