1311230310201 has 72 divisors (see below), whose sum is σ = 2384165294784. Its totient is φ = 716697162720.

The previous prime is 1311230310193. The next prime is 1311230310209. The reversal of 1311230310201 is 1020130321131.

1311230310201 is a `hidden beast` number, since 1 + 31 + 123 + 0 + 310 + 201 = 666.

It is an interprime number because it is at equal distance from previous prime (1311230310193) and next prime (1311230310209).

It is not a de Polignac number, because 1311230310201 - 2³ = 1311230310193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311230310209) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2120110 + ... + 2667831.

It is an arithmetic number, because the mean of its divisors is an integer number (33113406872).

Almost surely, 2^{1311230310201} is an apocalyptic number.

It is an amenable number.

1311230310201 is a deficient number, since it is larger than the sum of its proper divisors (1072934984583).

1311230310201 is an equidigital number, since it uses as much as digits as its factorization.

1311230310201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4787993 (or 4787974 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1311230310201 its reverse (1020130321131), we get a palindrome (2331360631332).

The spelling of 1311230310201 in words is "one trillion, three hundred eleven billion, two hundred thirty million, three hundred ten thousand, two hundred one".