42143131401131 has 2 divisors, whose sum is σ = 42143131401132. Its totient is φ = 42143131401130.

The previous prime is 42143131401121. The next prime is 42143131401157. The reversal of 42143131401131 is 13110413134124.

42143131401131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42143131401131 is a prime.

It is a super-2 number, since 2×42143131401131² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42143131401094 and 42143131401103.

It is not a weakly prime, because it can be changed into another prime (42143131401101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21071565700565 + 21071565700566.

It is an arithmetic number, because the mean of its divisors is an integer number (21071565700566).

Almost surely, 2^{42143131401131} is an apocalyptic number.

42143131401131 is a deficient number, since it is larger than the sum of its proper divisors (1).

42143131401131 is an equidigital number, since it uses as much as digits as its factorization.

42143131401131 is an odious number, because the sum of its binary digits is odd.

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

Adding to 42143131401131 its reverse (13110413134124), we get a palindrome (55253544535255).

The spelling of 42143131401131 in words is "forty-two trillion, one hundred forty-three billion, one hundred thirty-one million, four hundred one thousand, one hundred thirty-one".