80761131 has 20 divisors (see below), whose sum is σ = 131612184. Its totient is φ = 48945600.

The previous prime is 80761123. The next prime is 80761159. The reversal of 80761131 is 13116708.

It is not a de Polignac number, because 80761131 - 2³ = 80761123 is a prime.

It is a super-2 number, since 2×80761131² = 13044720560798322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 80761095 and 80761104.

It is not an unprimeable number, because it can be changed into a prime (80761111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44430 + ... + 46211.

Almost surely, 2^80761131 is an apocalyptic number.

80761131 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

80761131 is a deficient number, since it is larger than the sum of its proper divisors (50851053).

80761131 is a wasteful number, since it uses less digits than its factorization.

80761131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90664 (or 90655 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 80761131 is about 8986.7197018712. The cubic root of 80761131 is about 432.2491329187.

Adding to 80761131 its reverse (13116708), we get a palindrome (93877839).

The spelling of 80761131 in words is "eighty million, seven hundred sixty-one thousand, one hundred thirty-one".