311130011 has 2 divisors, whose sum is σ = 311130012. Its totient is φ = 311130010.

The previous prime is 311129963. The next prime is 311130031. The reversal of 311130011 is 110031113.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (110031113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311130011 - 2¹⁸ = 310867867 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 311129974 and 311130001.

It is not a weakly prime, because it can be changed into another prime (311130031) 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 as a sum of consecutive naturals, namely, 155565005 + 155565006.

It is an arithmetic number, because the mean of its divisors is an integer number (155565006).

Almost surely, 2^311130011 is an apocalyptic number.

311130011 is a deficient number, since it is larger than the sum of its proper divisors (1).

311130011 is an equidigital number, since it uses as much as digits as its factorization.

311130011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 311130011 is about 17638.8778271181. The cubic root of 311130011 is about 677.6112922022.

Adding to 311130011 its reverse (110031113), we get a palindrome (421161124).

The spelling of 311130011 in words is "three hundred eleven million, one hundred thirty thousand, eleven".