42200131 has 2 divisors, whose sum is σ = 42200132. Its totient is φ = 42200130.

The previous prime is 42200129. The next prime is 42200143. The reversal of 42200131 is 13100224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42200131 - 2¹ = 42200129 is a prime.

It is a super-2 number, since 2×42200131² = 3561702112834322, which contains 22 as substring.

Together with 42200129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42200161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21100065 + 21100066.

It is an arithmetic number, because the mean of its divisors is an integer number (21100066).

Almost surely, 2^42200131 is an apocalyptic number.

42200131 is a deficient number, since it is larger than the sum of its proper divisors (1).

42200131 is an equidigital number, since it uses as much as digits as its factorization.

42200131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 42200131 is about 6496.1627904479. The cubic root of 42200131 is about 348.1539015186.

Adding to 42200131 its reverse (13100224), we get a palindrome (55300355).

The spelling of 42200131 in words is "forty-two million, two hundred thousand, one hundred thirty-one".