806231186031 has 4 divisors (see below), whose sum is σ = 1074974914712. Its totient is φ = 537487457352.

The previous prime is 806231186009. The next prime is 806231186053. The reversal of 806231186031 is 130681132608.

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

It is an interprime number because it is at equal distance from previous prime (806231186009) and next prime (806231186053).

It is not a de Polignac number, because 806231186031 - 2⁵ = 806231185999 is a prime.

It is a super-2 number, since 2×806231186031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806231186071) 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, 134371864336 + ... + 134371864341.

It is an arithmetic number, because the mean of its divisors is an integer number (268743728678).

Almost surely, 2^806231186031 is an apocalyptic number.

806231186031 is a deficient number, since it is larger than the sum of its proper divisors (268743728681).

806231186031 is a wasteful number, since it uses less digits than its factorization.

806231186031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268743728680.

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 806231186031 in words is "eight hundred six billion, two hundred thirty-one million, one hundred eighty-six thousand, thirty-one".