2311201201 has 4 divisors (see below), whose sum is σ = 2367572004. Its totient is φ = 2254830400.

The previous prime is 2311201147. The next prime is 2311201219. The reversal of 2311201201 is 1021021132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87984400 + 2223216801 = 9380^2 + 47151^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311201201 - 2²³ = 2302812593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311201601) 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, 28185340 + ... + 28185421.

It is an arithmetic number, because the mean of its divisors is an integer number (591893001).

Almost surely, 2^2311201201 is an apocalyptic number.

It is an amenable number.

2311201201 is a deficient number, since it is larger than the sum of its proper divisors (56370803).

2311201201 is an equidigital number, since it uses as much as digits as its factorization.

2311201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56370802.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2311201201 is about 48074.9539885375. The cubic root of 2311201201 is about 1322.1455009477.

Adding to 2311201201 its reverse (1021021132), we get a palindrome (3332222333).

The spelling of 2311201201 in words is "two billion, three hundred eleven million, two hundred one thousand, two hundred one".