11312311232201 has 8 divisors (see below), whose sum is σ = 12928705433280. Its totient is φ = 9696004465968.

The previous prime is 11312311232171. The next prime is 11312311232213. The reversal of 11312311232201 is 10223211321311.

It is a happy number.

11312311232201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11312311232201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11312311232231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21581231 + ... + 22099188.

It is an arithmetic number, because the mean of its divisors is an integer number (1616088179160).

Almost surely, 2^{11312311232201} is an apocalyptic number.

It is an amenable number.

11312311232201 is a deficient number, since it is larger than the sum of its proper divisors (1616394201079).

11312311232201 is an equidigital number, since it uses as much as digits as its factorization.

11312311232201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43717423.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11312311232201 its reverse (10223211321311), we get a palindrome (21535522553512).

The spelling of 11312311232201 in words is "eleven trillion, three hundred twelve billion, three hundred eleven million, two hundred thirty-two thousand, two hundred one".