80131031 has 8 divisors (see below), whose sum is σ = 83550720. Its totient is φ = 76755168.

The previous prime is 80130983. The next prime is 80131039. The reversal of 80131031 is 13013108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80131031 - 2¹⁰ = 80130007 is a prime.

It is a super-2 number, since 2×80131031² = 12841964258245922, which 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 (80131039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7196 + ... + 14561.

It is an arithmetic number, because the mean of its divisors is an integer number (10443840).

Almost surely, 2^80131031 is an apocalyptic number.

80131031 is a deficient number, since it is larger than the sum of its proper divisors (3419689).

80131031 is a wasteful number, since it uses less digits than its factorization.

80131031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21913.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 80131031 is about 8951.5937687096. The cubic root of 80131031 is about 431.1220577964.

Adding to 80131031 its reverse (13013108), we get a palindrome (93144139).

The spelling of 80131031 in words is "eighty million, one hundred thirty-one thousand, thirty-one".