80331031 has 8 divisors (see below), whose sum is σ = 92246400. Its totient is φ = 69184440.

The previous prime is 80331023. The next prime is 80331047. The reversal of 80331031 is 13013308.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80331031 - 2³ = 80331023 is a prime.

It is a super-2 number, since 2×80331031² = 12906149083045922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80331061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191971 + ... + 192388.

It is an arithmetic number, because the mean of its divisors is an integer number (11530800).

Almost surely, 2^80331031 is an apocalyptic number.

80331031 is a deficient number, since it is larger than the sum of its proper divisors (11915369).

80331031 is a wasteful number, since it uses less digits than its factorization.

80331031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384389.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 80331031 is about 8962.7580018653. The cubic root of 80331031 is about 431.4804407000.

Adding to 80331031 its reverse (13013308), we get a palindrome (93344339).

The spelling of 80331031 in words is "eighty million, three hundred thirty-one thousand, thirty-one".