80188031 has 24 divisors (see below), whose sum is σ = 106676640. Its totient is φ = 58798080.

The previous prime is 80188027. The next prime is 80188033. The reversal of 80188031 is 13088108.

It is a happy number.

It is not a de Polignac number, because 80188031 - 2² = 80188027 is a prime.

It is a super-2 number, since 2×80188031² = 12860240631313922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80187985 and 80188003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80188033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11615 + ... + 17183.

It is an arithmetic number, because the mean of its divisors is an integer number (4444860).

Almost surely, 2^80188031 is an apocalyptic number.

80188031 is a deficient number, since it is larger than the sum of its proper divisors (26488609).

80188031 is a wasteful number, since it uses less digits than its factorization.

80188031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5615 (or 5604 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 80188031 is about 8954.7769933148. The cubic root of 80188031 is about 431.2242576246.

The spelling of 80188031 in words is "eighty million, one hundred eighty-eight thousand, thirty-one".