671631228031 has 8 divisors (see below), whose sum is σ = 681118516224. Its totient is φ = 662144709240.

The previous prime is 671631228017. The next prime is 671631228101. The reversal of 671631228031 is 130822136176.

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

It is a cyclic number.

It is not a de Polignac number, because 671631228031 - 2²⁵ = 671597673599 is a prime.

It is a super-2 number, since 2×671631228031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671631328031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1695786 + ... + 2054008.

It is an arithmetic number, because the mean of its divisors is an integer number (85139814528).

Almost surely, 2^671631228031 is an apocalyptic number.

671631228031 is a deficient number, since it is larger than the sum of its proper divisors (9487288193).

671631228031 is a wasteful number, since it uses less digits than its factorization.

671631228031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384701.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 671631228031 in words is "six hundred seventy-one billion, six hundred thirty-one million, two hundred twenty-eight thousand, thirty-one".