671695320331 has 8 divisors (see below), whose sum is σ = 786375009504. Its totient is φ = 561696434880.

The previous prime is 671695320221. The next prime is 671695320337. The reversal of 671695320331 is 133023596176.

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

It is not a de Polignac number, because 671695320331 - 2⁹ = 671695319819 is a prime.

It is a super-2 number, since 2×671695320331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (671695320337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170200620 + ... + 1170201193.

It is an arithmetic number, because the mean of its divisors is an integer number (98296876188).

Almost surely, 2^671695320331 is an apocalyptic number.

671695320331 is a deficient number, since it is larger than the sum of its proper divisors (114679689173).

671695320331 is a wasteful number, since it uses less digits than its factorization.

671695320331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340401861.

The product of its (nonzero) digits is 612360, while the sum is 46.

The spelling of 671695320331 in words is "six hundred seventy-one billion, six hundred ninety-five million, three hundred twenty thousand, three hundred thirty-one".