311211003323 has 32 divisors (see below), whose sum is σ = 353202812928. Its totient is φ = 274039560960.

The previous prime is 311211003277. The next prime is 311211003343. The reversal of 311211003323 is 323300112113.

It is not a de Polignac number, because 311211003323 - 2²⁰ = 311209954747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311211003295 and 311211003304.

It is not an unprimeable number, because it can be changed into a prime (311211003343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6042386 + ... + 6093672.

It is an arithmetic number, because the mean of its divisors is an integer number (11037587904).

Almost surely, 2^311211003323 is an apocalyptic number.

311211003323 is a deficient number, since it is larger than the sum of its proper divisors (41991809605).

311211003323 is an equidigital number, since it uses as much as digits as its factorization.

311211003323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51464 (or 51442 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 311211003323 its reverse (323300112113), we get a palindrome (634511115436).

The spelling of 311211003323 in words is "three hundred eleven billion, two hundred eleven million, three thousand, three hundred twenty-three".