311230022201 has 16 divisors (see below), whose sum is σ = 356336464896. Its totient is φ = 266285060496.

The previous prime is 311230022197. The next prime is 311230022237. The reversal of 311230022201 is 102220032113.

It is not a de Polignac number, because 311230022201 - 2² = 311230022197 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 311230022201.

It is not an unprimeable number, because it can be changed into a prime (311230022261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23666510 + ... + 23679656.

It is an arithmetic number, because the mean of its divisors is an integer number (22271029056).

Almost surely, 2^311230022201 is an apocalyptic number.

It is an amenable number.

311230022201 is a deficient number, since it is larger than the sum of its proper divisors (45106442695).

311230022201 is a wasteful number, since it uses less digits than its factorization.

311230022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19028.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 311230022201 its reverse (102220032113), we get a palindrome (413450054314).

The spelling of 311230022201 in words is "three hundred eleven billion, two hundred thirty million, twenty-two thousand, two hundred one".