80547331 has 16 divisors (see below), whose sum is σ = 86446080. Its totient is φ = 74917440.

The previous prime is 80547323. The next prime is 80547347. The reversal of 80547331 is 13374508.

It is a cyclic number.

It is not a de Polignac number, because 80547331 - 2³ = 80547323 is a prime.

It is a super-2 number, since 2×80547331² = 12975745062447122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80547293 and 80547302.

It is not an unprimeable number, because it can be changed into a prime (80547361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85495 + ... + 86431.

It is an arithmetic number, because the mean of its divisors is an integer number (5402880).

Almost surely, 2^80547331 is an apocalyptic number.

80547331 is a deficient number, since it is larger than the sum of its proper divisors (5898749).

80547331 is a wasteful number, since it uses less digits than its factorization.

80547331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 80547331 is about 8974.8164883746. The cubic root of 80547331 is about 431.8673629014.

The spelling of 80547331 in words is "eighty million, five hundred forty-seven thousand, three hundred thirty-one".