671304231 has 12 divisors (see below), whose sum is σ = 1044251208. Its totient is φ = 413110224.

The previous prime is 671304229. The next prime is 671304239. The reversal of 671304231 is 132403176.

It is not a de Polignac number, because 671304231 - 2¹ = 671304229 is a prime.

It is a super-2 number, since 2×671304231² = 901298741117002722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 671304195 and 671304204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671304239) 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 11 ways as a sum of consecutive naturals, for example, 2868705 + ... + 2868938.

It is an arithmetic number, because the mean of its divisors is an integer number (87020934).

Almost surely, 2^671304231 is an apocalyptic number.

671304231 is a deficient number, since it is larger than the sum of its proper divisors (372946977).

671304231 is a wasteful number, since it uses less digits than its factorization.

671304231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5737662 (or 5737659 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 671304231 is about 25909.5393822430. The cubic root of 671304231 is about 875.6014285832.

The spelling of 671304231 in words is "six hundred seventy-one million, three hundred four thousand, two hundred thirty-one".