671218317230 has 16 divisors (see below), whose sum is σ = 1213378352784. Its totient is φ = 267335019840.

The previous prime is 671218317227. The next prime is 671218317239. The reversal of 671218317230 is 32713812176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671218317239) 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, 144035936 + ... + 144040595.

It is an arithmetic number, because the mean of its divisors is an integer number (75836147049).

Almost surely, 2^671218317230 is an apocalyptic number.

671218317230 is a deficient number, since it is larger than the sum of its proper divisors (542160035554).

671218317230 is a wasteful number, since it uses less digits than its factorization.

671218317230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288076771.

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 671218317230 in words is "six hundred seventy-one billion, two hundred eighteen million, three hundred seventeen thousand, two hundred thirty".