42321124113131 has 4 divisors (see below), whose sum is σ = 42321233799912. Its totient is φ = 42321014426352.

The previous prime is 42321124113127. The next prime is 42321124113173. The reversal of 42321124113131 is 13131142112324.

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

It is a cyclic number.

It is not a de Polignac number, because 42321124113131 - 2² = 42321124113127 is a prime.

It is a super-2 number, since 2×42321124113131² (a number of 28 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 = 42321124113094 and 42321124113103.

It is not an unprimeable number, because it can be changed into a prime (42321120113131) 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, 54262586 + ... + 55036991.

It is an arithmetic number, because the mean of its divisors is an integer number (10580308449978).

Almost surely, 2^{42321124113131} is an apocalyptic number.

42321124113131 is a deficient number, since it is larger than the sum of its proper divisors (109686781).

42321124113131 is a wasteful number, since it uses less digits than its factorization.

42321124113131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109686780.

The product of its digits is 3456, while the sum is 29.

Adding to 42321124113131 its reverse (13131142112324), we get a palindrome (55452266225455).

The spelling of 42321124113131 in words is "forty-two trillion, three hundred twenty-one billion, one hundred twenty-four million, one hundred thirteen thousand, one hundred thirty-one".