86322131 has 4 divisors (see below), whose sum is σ = 98653872. Its totient is φ = 73990392.

The previous prime is 86322121. The next prime is 86322139. The reversal of 86322131 is 13122368.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 86322131 - 2²⁶ = 19213267 is a prime.

It is a super-2 number, since 2×86322131² = 14903020600762322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86322131.

It is not an unprimeable number, because it can be changed into a prime (86322139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6165860 + ... + 6165873.

It is an arithmetic number, because the mean of its divisors is an integer number (24663468).

Almost surely, 2^86322131 is an apocalyptic number.

86322131 is a deficient number, since it is larger than the sum of its proper divisors (12331741).

86322131 is a wasteful number, since it uses less digits than its factorization.

86322131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12331740.

The product of its digits is 1728, while the sum is 26.

The square root of 86322131 is about 9290.9704014166. The cubic root of 86322131 is about 441.9509288766.

Adding to 86322131 its reverse (13122368), we get a palindrome (99444499).

The spelling of 86322131 in words is "eighty-six million, three hundred twenty-two thousand, one hundred thirty-one".