42266727131 has 2 divisors, whose sum is σ = 42266727132. Its totient is φ = 42266727130.

The previous prime is 42266727127. The next prime is 42266727197. The reversal of 42266727131 is 13172766224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42266727131 - 2² = 42266727127 is a prime.

It is a super-2 number, since 2×42266727131² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (42266727031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21133363565 + 21133363566.

It is an arithmetic number, because the mean of its divisors is an integer number (21133363566).

Almost surely, 2^42266727131 is an apocalyptic number.

42266727131 is a deficient number, since it is larger than the sum of its proper divisors (1).

42266727131 is an equidigital number, since it uses as much as digits as its factorization.

42266727131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 41.

The spelling of 42266727131 in words is "forty-two billion, two hundred sixty-six million, seven hundred twenty-seven thousand, one hundred thirty-one".