311212102023 has 16 divisors (see below), whose sum is σ = 485321017600. Its totient is φ = 196555011480.

The previous prime is 311212102013. The next prime is 311212102067. The reversal of 311212102023 is 320201212113.

It is not a de Polignac number, because 311212102023 - 2⁹ = 311212101511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311212101987 and 311212102005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311212102013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303325123 + ... + 303326148.

It is an arithmetic number, because the mean of its divisors is an integer number (30332563600).

Almost surely, 2^311212102023 is an apocalyptic number.

311212102023 is a deficient number, since it is larger than the sum of its proper divisors (174108915577).

311212102023 is a wasteful number, since it uses less digits than its factorization.

311212102023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606651299 (or 606651293 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 311212102023 its reverse (320201212113), we get a palindrome (631413314136).

The spelling of 311212102023 in words is "three hundred eleven billion, two hundred twelve million, one hundred two thousand, twenty-three".