2312222021313 has 32 divisors (see below), whose sum is σ = 3225337539840. Its totient is φ = 1473430386560.

The previous prime is 2312222021281. The next prime is 2312222021341. The reversal of 2312222021313 is 3131202222132.

It is not a de Polignac number, because 2312222021313 - 2⁵ = 2312222021281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2312222021713) 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, 54036595 + ... + 54079367.

It is an arithmetic number, because the mean of its divisors is an integer number (100791798120).

Almost surely, 2^{2312222021313} is an apocalyptic number.

2312222021313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2312222021313 is a deficient number, since it is larger than the sum of its proper divisors (913115518527).

2312222021313 is an equidigital number, since it uses as much as digits as its factorization.

2312222021313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44326 (or 44280 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2312222021313 its reverse (3131202222132), we get a palindrome (5443424243445).

The spelling of 2312222021313 in words is "two trillion, three hundred twelve billion, two hundred twenty-two million, twenty-one thousand, three hundred thirteen".