80543331 has 24 divisors (see below), whose sum is σ = 134385264. Its totient is φ = 45941760.

The previous prime is 80543329. The next prime is 80543341. The reversal of 80543331 is 13334508.

It is a happy number.

It is not a de Polignac number, because 80543331 - 2¹ = 80543329 is a prime.

It is a super-2 number, since 2×80543331² = 12974456337151122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80543295 and 80543304.

It is not an unprimeable number, because it can be changed into a prime (80543341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22246 + ... + 25611.

It is an arithmetic number, because the mean of its divisors is an integer number (5599386).

Almost surely, 2^80543331 is an apocalyptic number.

80543331 is a deficient number, since it is larger than the sum of its proper divisors (53841933).

80543331 is a wasteful number, since it uses less digits than its factorization.

80543331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47891 (or 47888 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 80543331 is about 8974.5936398257. The cubic root of 80543331 is about 431.8602139037.

Adding to 80543331 its reverse (13334508), we get a palindrome (93877839).

The spelling of 80543331 in words is "eighty million, five hundred forty-three thousand, three hundred thirty-one".