86146422331 has 2 divisors, whose sum is σ = 86146422332. Its totient is φ = 86146422330.

The previous prime is 86146422289. The next prime is 86146422337. The reversal of 86146422331 is 13322464168.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86146422331 is a prime.

It is a super-2 number, since 2×86146422331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86146422337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43073211165 + 43073211166.

It is an arithmetic number, because the mean of its divisors is an integer number (43073211166).

Almost surely, 2^86146422331 is an apocalyptic number.

86146422331 is a deficient number, since it is larger than the sum of its proper divisors (1).

86146422331 is an equidigital number, since it uses as much as digits as its factorization.

86146422331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 40.

Adding to 86146422331 its reverse (13322464168), we get a palindrome (99468886499).

The spelling of 86146422331 in words is "eighty-six billion, one hundred forty-six million, four hundred twenty-two thousand, three hundred thirty-one".