671294031 has 8 divisors (see below), whose sum is σ = 933974400. Its totient is φ = 428071512.

The previous prime is 671294009. The next prime is 671294069. The reversal of 671294031 is 130492176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 671294031 - 2⁵ = 671293999 is a prime.

It is a super-2 number, since 2×671294031² = 901271352112457922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 671293983 and 671294001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671294431) 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 7 ways as a sum of consecutive naturals, for example, 4864381 + ... + 4864518.

It is an arithmetic number, because the mean of its divisors is an integer number (116746800).

Almost surely, 2^671294031 is an apocalyptic number.

671294031 is a deficient number, since it is larger than the sum of its proper divisors (262680369).

671294031 is a wasteful number, since it uses less digits than its factorization.

671294031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9728925.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 671294031 is about 25909.3425427972. The cubic root of 671294031 is about 875.5969938429.

The spelling of 671294031 in words is "six hundred seventy-one million, two hundred ninety-four thousand, thirty-one".