671363672331 has 32 divisors (see below), whose sum is σ = 983705741568. Its totient is φ = 403906106240.

The previous prime is 671363672323. The next prime is 671363672333. The reversal of 671363672331 is 133276363176.

It is a cyclic number.

It is not a de Polignac number, because 671363672331 - 2³ = 671363672323 is a prime.

It is a super-2 number, since 2×671363672331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (671363672333) 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, 2763385 + ... + 2996501.

It is an arithmetic number, because the mean of its divisors is an integer number (30740804424).

Almost surely, 2^671363672331 is an apocalyptic number.

671363672331 is a deficient number, since it is larger than the sum of its proper divisors (312342069237).

671363672331 is a wasteful number, since it uses less digits than its factorization.

671363672331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233771.

The product of its digits is 1714608, while the sum is 48.

The spelling of 671363672331 in words is "six hundred seventy-one billion, three hundred sixty-three million, six hundred seventy-two thousand, three hundred thirty-one".