2311020311201 has 4 divisors (see below), whose sum is σ = 2641166069952. Its totient is φ = 1980874552452.

The previous prime is 2311020311179. The next prime is 2311020311213. The reversal of 2311020311201 is 1021130201132.

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.

It is a cyclic number.

It is not a de Polignac number, because 2311020311201 - 2³⁴ = 2293840442017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2311020311201.

It is not an unprimeable number, because it can be changed into a prime (2311020311231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165072879365 + ... + 165072879378.

It is an arithmetic number, because the mean of its divisors is an integer number (660291517488).

Almost surely, 2^{2311020311201} is an apocalyptic number.

It is an amenable number.

2311020311201 is a deficient number, since it is larger than the sum of its proper divisors (330145758751).

2311020311201 is an equidigital number, since it uses as much as digits as its factorization.

2311020311201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330145758750.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2311020311201 its reverse (1021130201132), we get a palindrome (3332150512333).

The spelling of 2311020311201 in words is "two trillion, three hundred eleven billion, twenty million, three hundred eleven thousand, two hundred one".