311032423211 has 4 divisors (see below), whose sum is σ = 316900959552. Its totient is φ = 305163886872.

The previous prime is 311032423201. The next prime is 311032423213. The reversal of 311032423211 is 112324230113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112324230113 = 77573 ⋅1447981.

It is a cyclic number.

It is not a de Polignac number, because 311032423211 - 2¹⁸ = 311032161067 is a prime.

It is a super-2 number, since 2×311032423211² (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 (311032423213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2934268091 + ... + 2934268196.

It is an arithmetic number, because the mean of its divisors is an integer number (79225239888).

Almost surely, 2^311032423211 is an apocalyptic number.

311032423211 is a deficient number, since it is larger than the sum of its proper divisors (5868536341).

311032423211 is an equidigital number, since it uses as much as digits as its factorization.

311032423211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5868536340.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 311032423211 its reverse (112324230113), we get a palindrome (423356653324).

The spelling of 311032423211 in words is "three hundred eleven billion, thirty-two million, four hundred twenty-three thousand, two hundred eleven".