311201203023 has 24 divisors (see below), whose sum is σ = 475977430656. Its totient is φ = 195254208000.

The previous prime is 311201203021. The next prime is 311201203039. The reversal of 311201203023 is 320302102113.

It is not a de Polignac number, because 311201203023 - 2¹ = 311201203021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311201202987 and 311201203005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311201203021) 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 23 ways as a sum of consecutive naturals, for example, 4685698 + ... + 4751648.

It is an arithmetic number, because the mean of its divisors is an integer number (19832392944).

Almost surely, 2^311201203023 is an apocalyptic number.

311201203023 is a deficient number, since it is larger than the sum of its proper divisors (164776227633).

311201203023 is a wasteful number, since it uses less digits than its factorization.

311201203023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96815 (or 96812 counting only the distinct ones).

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

Adding to 311201203023 its reverse (320302102113), we get a palindrome (631503305136).

The spelling of 311201203023 in words is "three hundred eleven billion, two hundred one million, two hundred three thousand, twenty-three".