311232100001 has 4 divisors (see below), whose sum is σ = 316507220400. Its totient is φ = 305956979604.

The previous prime is 311232099901. The next prime is 311232100007. The reversal of 311232100001 is 100001232113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100001232113 = 14071 ⋅7106903.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311232100001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311232100007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2637560111 + ... + 2637560228.

It is an arithmetic number, because the mean of its divisors is an integer number (79126805100).

Almost surely, 2^311232100001 is an apocalyptic number.

It is an amenable number.

311232100001 is a deficient number, since it is larger than the sum of its proper divisors (5275120399).

311232100001 is an equidigital number, since it uses as much as digits as its factorization.

311232100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275120398.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 311232100001 its reverse (100001232113), we get a palindrome (411233332114).

The spelling of 311232100001 in words is "three hundred eleven billion, two hundred thirty-two million, one hundred thousand, one".