311130001201 has 4 divisors (see below), whose sum is σ = 311132772900. Its totient is φ = 311127229504.

The previous prime is 311130001163. The next prime is 311130001207. The reversal of 311130001201 is 102100031113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76549608976 + 234580392225 = 276676^2 + 484335^2 .

It is a cyclic number.

It is not a de Polignac number, because 311130001201 - 2¹¹ = 311129999153 is a prime.

It is a super-2 number, since 2×311130001201² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311130001207) 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 3 ways as a sum of consecutive naturals, for example, 1210036 + ... + 1444453.

It is an arithmetic number, because the mean of its divisors is an integer number (77783193225).

Almost surely, 2^311130001201 is an apocalyptic number.

It is an amenable number.

311130001201 is a deficient number, since it is larger than the sum of its proper divisors (2771699).

311130001201 is a wasteful number, since it uses less digits than its factorization.

311130001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771698.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 311130001201 its reverse (102100031113), we get a palindrome (413230032314).

The spelling of 311130001201 in words is "three hundred eleven billion, one hundred thirty million, one thousand, two hundred one".