311320230232201 has 4 divisors (see below), whose sum is σ = 327705505507600. Its totient is φ = 294934954956804.

The previous prime is 311320230232127. The next prime is 311320230232259. The reversal of 311320230232201 is 102232032023113.

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 a de Polignac number, because none of the positive numbers 2^k-311320230232201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311320330232201) 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, 8192637637671 + ... + 8192637637708.

It is an arithmetic number, because the mean of its divisors is an integer number (81926376376900).

Almost surely, 2^{311320230232201} is an apocalyptic number.

It is an amenable number.

311320230232201 is a deficient number, since it is larger than the sum of its proper divisors (16385275275399).

311320230232201 is a wasteful number, since it uses less digits than its factorization.

311320230232201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16385275275398.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 311320230232201 its reverse (102232032023113), we get a palindrome (413552262255314).

The spelling of 311320230232201 in words is "three hundred eleven trillion, three hundred twenty billion, two hundred thirty million, two hundred thirty-two thousand, two hundred one".