314341877221 has 2 divisors, whose sum is σ = 314341877222. Its totient is φ = 314341877220.

The previous prime is 314341877191. The next prime is 314341877257. The reversal of 314341877221 is 122778143413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192994154721 + 121347722500 = 439311^2 + 348350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-314341877221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314341877621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157170938610 + 157170938611.

It is an arithmetic number, because the mean of its divisors is an integer number (157170938611).

Almost surely, 2^314341877221 is an apocalyptic number.

It is an amenable number.

314341877221 is a deficient number, since it is larger than the sum of its proper divisors (1).

314341877221 is an equidigital number, since it uses as much as digits as its factorization.

314341877221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 43.

The spelling of 314341877221 in words is "three hundred fourteen billion, three hundred forty-one million, eight hundred seventy-seven thousand, two hundred twenty-one".