867306131 has 2 divisors, whose sum is σ = 867306132. Its totient is φ = 867306130.

The previous prime is 867306107. The next prime is 867306163. The reversal of 867306131 is 131603768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 867306131 - 2¹⁰ = 867305107 is a prime.

It is a super-2 number, since 2×867306131² = 1504439849740378322, which contains 22 as substring.

It is equal to p_44422883 and since 867306131 and 44422883 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 867306091 and 867306100.

It is not a weakly prime, because it can be changed into another prime (867306101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433653065 + 433653066.

It is an arithmetic number, because the mean of its divisors is an integer number (433653066).

Almost surely, 2^867306131 is an apocalyptic number.

867306131 is a deficient number, since it is larger than the sum of its proper divisors (1).

867306131 is an equidigital number, since it uses as much as digits as its factorization.

867306131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 867306131 is about 29450.0616467946. The cubic root of 867306131 is about 953.6539357939.

Adding to 867306131 its reverse (131603768), we get a palindrome (998909899).

The spelling of 867306131 in words is "eight hundred sixty-seven million, three hundred six thousand, one hundred thirty-one".