80303031 has 6 divisors (see below), whose sum is σ = 115993280. Its totient is φ = 53535348.

The previous prime is 80303029. The next prime is 80303039. The reversal of 80303031 is 13030308.

It is not a de Polignac number, because 80303031 - 2¹ = 80303029 is a prime.

It is a super-2 number, since 2×80303031² = 12897153575573922, 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 = 80302995 and 80303013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80303039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4461271 + ... + 4461288.

Almost surely, 2^80303031 is an apocalyptic number.

80303031 is a deficient number, since it is larger than the sum of its proper divisors (35690249).

80303031 is a wasteful number, since it uses less digits than its factorization.

80303031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8922565 (or 8922562 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 80303031 is about 8961.1958465374. The cubic root of 80303031 is about 431.4303029298.

Adding to 80303031 its reverse (13030308), we get a palindrome (93333339).

The spelling of 80303031 in words is "eighty million, three hundred three thousand, thirty-one".