80431143 has 32 divisors (see below), whose sum is σ = 121024512. Its totient is φ = 47174400.

The previous prime is 80431133. The next prime is 80431159. The reversal of 80431143 is 34113408.

It is not a de Polignac number, because 80431143 - 2⁵ = 80431111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80431133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85371 + ... + 86307.

It is an arithmetic number, because the mean of its divisors is an integer number (3782016).

Almost surely, 2^80431143 is an apocalyptic number.

80431143 is a deficient number, since it is larger than the sum of its proper divisors (40593369).

80431143 is a wasteful number, since it uses less digits than its factorization.

80431143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 80431143 is about 8968.3411509599. The cubic root of 80431143 is about 431.6596094777.

The spelling of 80431143 in words is "eighty million, four hundred thirty-one thousand, one hundred forty-three".