80247431 has 16 divisors (see below), whose sum is σ = 92448000. Its totient is φ = 68889600.

The previous prime is 80247397. The next prime is 80247439. The reversal of 80247431 is 13474208.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80247431 is a prime.

It is a super-2 number, since 2×80247431² = 12879300364199522, 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 = 80247394 and 80247403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80247439) 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 in 15 ways as a sum of consecutive naturals, for example, 124871 + ... + 125511.

It is an arithmetic number, because the mean of its divisors is an integer number (5778000).

Almost surely, 2^80247431 is an apocalyptic number.

80247431 is a deficient number, since it is larger than the sum of its proper divisors (12200569).

80247431 is a wasteful number, since it uses less digits than its factorization.

80247431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 80247431 is about 8958.0930448394. The cubic root of 80247431 is about 431.3307090838.

The spelling of 80247431 in words is "eighty million, two hundred forty-seven thousand, four hundred thirty-one".