311230220000001 has 16 divisors (see below), whose sum is σ = 419976620642880. Its totient is φ = 204985355770880.

The previous prime is 311230219999997. The next prime is 311230220000023. The reversal of 311230220000001 is 100000022032113.

It is a cyclic number.

It is not a de Polignac number, because 311230220000001 - 2² = 311230219999997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311230220020001) 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, 27129841 + ... + 36857681.

It is an arithmetic number, because the mean of its divisors is an integer number (26248538790180).

Almost surely, 2^{311230220000001} is an apocalyptic number.

It is an amenable number.

311230220000001 is a deficient number, since it is larger than the sum of its proper divisors (108746400642879).

311230220000001 is a wasteful number, since it uses less digits than its factorization.

311230220000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9856416.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 311230220000001 its reverse (100000022032113), we get a palindrome (411230242032114).

The spelling of 311230220000001 in words is "three hundred eleven trillion, two hundred thirty billion, two hundred twenty million, one", and thus it is an aban number.