80012831 has 2 divisors, whose sum is σ = 80012832. Its totient is φ = 80012830.

The previous prime is 80012813. The next prime is 80012839. The reversal of 80012831 is 13821008.

Together with previous prime (80012813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80012831 - 2¹⁰ = 80011807 is a prime.

It is a super-2 number, since 2×80012831² = 12804106249269122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 80012797 and 80012806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80012839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40006415 + 40006416.

It is an arithmetic number, because the mean of its divisors is an integer number (40006416).

Almost surely, 2^80012831 is an apocalyptic number.

80012831 is a deficient number, since it is larger than the sum of its proper divisors (1).

80012831 is an equidigital number, since it uses as much as digits as its factorization.

80012831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 80012831 is about 8944.9891559465. The cubic root of 80012831 is about 430.9099730678.

Adding to 80012831 its reverse (13821008), we get a palindrome (93833839).

It can be divided in two parts, 800 and 12831, that added together give a palindrome (13631).

The spelling of 80012831 in words is "eighty million, twelve thousand, eight hundred thirty-one".