311210020022201 has 8 divisors (see below), whose sum is σ = 313871625334344. Its totient is φ = 308557014405120.

The previous prime is 311210020022149. The next prime is 311210020022219. The reversal of 311210020022201 is 102220020012113.

It can be written as a sum of positive squares in 4 ways, for example, as 47058982602025 + 264151037420176 = 6859955^2 + 16252724^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311210020022201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 311210020022201.

It is not an unprimeable number, because it can be changed into a prime (311210020022281) 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, 2149851080 + ... + 2149995833.

It is an arithmetic number, because the mean of its divisors is an integer number (39233953166793).

Almost surely, 2^{311210020022201} is an apocalyptic number.

It is an amenable number.

311210020022201 is a deficient number, since it is larger than the sum of its proper divisors (2661605312143).

311210020022201 is a wasteful number, since it uses less digits than its factorization.

311210020022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4299847531.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 311210020022201 its reverse (102220020012113), we get a palindrome (413430040034314).

The spelling of 311210020022201 in words is "three hundred eleven trillion, two hundred ten billion, twenty million, twenty-two thousand, two hundred one".