311122003023 has 24 divisors (see below), whose sum is σ = 501892289808. Its totient is φ = 191459692224.

The previous prime is 311122003009. The next prime is 311122003033. The reversal of 311122003023 is 320300221113.

It is not a de Polignac number, because 311122003023 - 2⁵ = 311122002991 is a prime.

It is a super-2 number, since 2×311122003023² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311122002987 and 311122003005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311122003033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49240590 + ... + 49246907.

It is an arithmetic number, because the mean of its divisors is an integer number (20912178742).

Almost surely, 2^311122003023 is an apocalyptic number.

311122003023 is a deficient number, since it is larger than the sum of its proper divisors (190770286785).

311122003023 is an equidigital number, since it uses as much as digits as its factorization.

311122003023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98487525 (or 98487513 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 311122003023 its reverse (320300221113), we get a palindrome (631422224136).

The spelling of 311122003023 in words is "three hundred eleven billion, one hundred twenty-two million, three thousand, twenty-three".