311120323011 has 12 divisors (see below), whose sum is σ = 449425787200. Its totient is φ = 207399810960.

The previous prime is 311120322983. The next prime is 311120323039. The reversal of 311120323011 is 110323021113.

311120323011 is a `hidden beast` number, since 311 + 1 + 20 + 32 + 301 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (311120322983) and next prime (311120323039).

It is not a de Polignac number, because 311120323011 - 2¹¹ = 311120320963 is a prime.

It is a super-2 number, since 2×311120323011² (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 (311120323061) 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 11 ways as a sum of consecutive naturals, for example, 1000420 + ... + 1274001.

Almost surely, 2^311120323011 is an apocalyptic number.

311120323011 is a deficient number, since it is larger than the sum of its proper divisors (138305464189).

311120323011 is a wasteful number, since it uses less digits than its factorization.

311120323011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289626 (or 2289623 counting only the distinct ones).

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

Adding to 311120323011 its reverse (110323021113), we get a palindrome (421443344124).

The spelling of 311120323011 in words is "three hundred eleven billion, one hundred twenty million, three hundred twenty-three thousand, eleven".