42204056131 has 2 divisors, whose sum is σ = 42204056132. Its totient is φ = 42204056130.

The previous prime is 42204056113. The next prime is 42204056173. The reversal of 42204056131 is 13165040224.

42204056131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (42204056113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42204056131 - 2²¹ = 42201958979 is a prime.

It is a super-2 number, since 2×42204056131² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42204056131.

It is not a weakly prime, because it can be changed into another prime (42204056101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21102028065 + 21102028066.

It is an arithmetic number, because the mean of its divisors is an integer number (21102028066).

Almost surely, 2^42204056131 is an apocalyptic number.

42204056131 is a deficient number, since it is larger than the sum of its proper divisors (1).

42204056131 is an equidigital number, since it uses as much as digits as its factorization.

42204056131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 42204056131 its reverse (13165040224), we get a palindrome (55369096355).

The spelling of 42204056131 in words is "forty-two billion, two hundred four million, fifty-six thousand, one hundred thirty-one".