80717031 has 12 divisors (see below), whose sum is σ = 116683008. Its totient is φ = 53769024.

The previous prime is 80717029. The next prime is 80717041. The reversal of 80717031 is 13071708.

It is not a de Polignac number, because 80717031 - 2¹ = 80717029 is a prime.

It is a super-2 number, since 2×80717031² = 13030478186909922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80716986 and 80717004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80717011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12271 + ... + 17663.

It is an arithmetic number, because the mean of its divisors is an integer number (9723584).

Almost surely, 2^80717031 is an apocalyptic number.

80717031 is a deficient number, since it is larger than the sum of its proper divisors (35965977).

80717031 is a wasteful number, since it uses less digits than its factorization.

80717031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7062 (or 7059 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 80717031 is about 8984.2657462922. The cubic root of 80717031 is about 432.1704413614.

Adding to 80717031 its reverse (13071708), we get a palindrome (93788739).

The spelling of 80717031 in words is "eighty million, seven hundred seventeen thousand, thirty-one".