80159031 has 24 divisors (see below), whose sum is σ = 120359280. Its totient is φ = 52724880.

The previous prime is 80159003. The next prime is 80159047. The reversal of 80159031 is 13095108.

It is not a de Polignac number, because 80159031 - 2¹¹ = 80156983 is a prime.

It is a super-2 number, since 2×80159031² = 12850940501717922, 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 = 80158986 and 80159004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80159231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 463261 + ... + 463433.

It is an arithmetic number, because the mean of its divisors is an integer number (5014970).

Almost surely, 2^80159031 is an apocalyptic number.

80159031 is a deficient number, since it is larger than the sum of its proper divisors (40200249).

80159031 is a wasteful number, since it uses less digits than its factorization.

80159031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 80159031 is about 8953.1575994171. The cubic root of 80159031 is about 431.1722672750.

The spelling of 80159031 in words is "eighty million, one hundred fifty-nine thousand, thirty-one".