1311120323201 has 8 divisors (see below), whose sum is σ = 1444812378240. Its totient is φ = 1182119217552.

The previous prime is 1311120323171. The next prime is 1311120323209. The reversal of 1311120323201 is 1023230211131.

It is a happy number.

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

It is not a de Polignac number, because 1311120323201 - 2⁶ = 1311120323137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311120323209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172736761 + ... + 1172737878.

It is an arithmetic number, because the mean of its divisors is an integer number (180601547280).

Almost surely, 2^{1311120323201} is an apocalyptic number.

It is an amenable number.

1311120323201 is a deficient number, since it is larger than the sum of its proper divisors (133692055039).

1311120323201 is a wasteful number, since it uses less digits than its factorization.

1311120323201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345474695.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1311120323201 its reverse (1023230211131), we get a palindrome (2334350534332).

The spelling of 1311120323201 in words is "one trillion, three hundred eleven billion, one hundred twenty million, three hundred twenty-three thousand, two hundred one".