311320230201 has 48 divisors (see below), whose sum is σ = 470379087360. Its totient is φ = 198180276480.

The previous prime is 311320230161. The next prime is 311320230233. The reversal of 311320230201 is 102032023113.

311320230201 is a `hidden beast` number, since 311 + 320 + 2 + 30 + 2 + 0 + 1 = 666.

It is not a de Polignac number, because 311320230201 - 2¹⁴ = 311320213817 is a prime.

It is a super-3 number, since 3×311320230201³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (311320230281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19189045 + ... + 19205261.

It is an arithmetic number, because the mean of its divisors is an integer number (9799564320).

Almost surely, 2^311320230201 is an apocalyptic number.

311320230201 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

311320230201 is a deficient number, since it is larger than the sum of its proper divisors (159058857159).

311320230201 is a wasteful number, since it uses less digits than its factorization.

311320230201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17166 (or 17163 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 311320230201 its reverse (102032023113), we get a palindrome (413352253314).

The spelling of 311320230201 in words is "three hundred eleven billion, three hundred twenty million, two hundred thirty thousand, two hundred one".