321761174042271 has 12 divisors (see below), whose sum is σ = 443300514501336. Its totient is φ = 207587854218960.

The previous prime is 321761174042239. The next prime is 321761174042279. The reversal of 321761174042271 is 172240471167123.

It is not a de Polignac number, because 321761174042271 - 2⁵ = 321761174042239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321761174042271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321761174042279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55803183736 + ... + 55803189501.

It is an arithmetic number, because the mean of its divisors is an integer number (36941709541778).

Almost surely, 2^{321761174042271} is an apocalyptic number.

321761174042271 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

321761174042271 is a deficient number, since it is larger than the sum of its proper divisors (121539340459065).

321761174042271 is a wasteful number, since it uses less digits than its factorization.

321761174042271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111606373302 (or 111606373271 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 48.

The spelling of 321761174042271 in words is "three hundred twenty-one trillion, seven hundred sixty-one billion, one hundred seventy-four million, forty-two thousand, two hundred seventy-one".