86244131 has 2 divisors, whose sum is σ = 86244132. Its totient is φ = 86244130.

The previous prime is 86244121. The next prime is 86244157. The reversal of 86244131 is 13144268.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86244131 - 2¹⁰ = 86243107 is a prime.

It is a super-2 number, since 2×86244131² = 14876100263890322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 86244094 and 86244103.

It is not a weakly prime, because it can be changed into another prime (86244121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43122065 + 43122066.

It is an arithmetic number, because the mean of its divisors is an integer number (43122066).

Almost surely, 2^86244131 is an apocalyptic number.

86244131 is a deficient number, since it is larger than the sum of its proper divisors (1).

86244131 is an equidigital number, since it uses as much as digits as its factorization.

86244131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 29.

The square root of 86244131 is about 9286.7718287896. The cubic root of 86244131 is about 441.8177742993.

Adding to 86244131 its reverse (13144268), we get a palindrome (99388399).

The spelling of 86244131 in words is "eighty-six million, two hundred forty-four thousand, one hundred thirty-one".