80863031 has 4 divisors (see below), whose sum is σ = 85119000. Its totient is φ = 76607064.

The previous prime is 80862959. The next prime is 80863039. The reversal of 80863031 is 13036808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80863031 - 2¹⁸ = 80600887 is a prime.

It is a super-2 number, since 2×80863031² = 13077659565013922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80862985 and 80863003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80863039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2127956 + ... + 2127993.

It is an arithmetic number, because the mean of its divisors is an integer number (21279750).

Almost surely, 2^80863031 is an apocalyptic number.

80863031 is a deficient number, since it is larger than the sum of its proper divisors (4255969).

80863031 is a wasteful number, since it uses less digits than its factorization.

80863031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4255968.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 80863031 is about 8992.3873915663. The cubic root of 80863031 is about 432.4308526562.

Adding to 80863031 its reverse (13036808), we get a palindrome (93899839).

The spelling of 80863031 in words is "eighty million, eight hundred sixty-three thousand, thirty-one".