80120231 has 2 divisors, whose sum is σ = 80120232. Its totient is φ = 80120230.

The previous prime is 80120197. The next prime is 80120239. The reversal of 80120231 is 13202108.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80120231 - 2²⁶ = 13011367 is a prime.

It is a super-2 number, since 2×80120231² = 12838502830986722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80120239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40060115 + 40060116.

It is an arithmetic number, because the mean of its divisors is an integer number (40060116).

Almost surely, 2^80120231 is an apocalyptic number.

80120231 is a deficient number, since it is larger than the sum of its proper divisors (1).

80120231 is an equidigital number, since it uses as much as digits as its factorization.

80120231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 80120231 is about 8950.9905038493. The cubic root of 80120231 is about 431.1026881574.

Adding to 80120231 its reverse (13202108), we get a palindrome (93322339).

The spelling of 80120231 in words is "eighty million, one hundred twenty thousand, two hundred thirty-one".