2312110321 has 2 divisors, whose sum is σ = 2312110322. Its totient is φ = 2312110320.

The previous prime is 2312110309. The next prime is 2312110337. The reversal of 2312110321 is 1230112132.

It is an a-pointer prime, because the next prime (2312110337) can be obtained adding 2312110321 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2295463921 + 16646400 = 47911^2 + 4080^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312110321 - 2⁷ = 2312110193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2312110295 and 2312110304.

It is not a weakly prime, because it can be changed into another prime (2312110921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156055160 + 1156055161.

It is an arithmetic number, because the mean of its divisors is an integer number (1156055161).

Almost surely, 2^2312110321 is an apocalyptic number.

It is an amenable number.

2312110321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312110321 is an equidigital number, since it uses as much as digits as its factorization.

2312110321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2312110321 is about 48084.4082941654. The cubic root of 2312110321 is about 1322.3188352510.

Adding to 2312110321 its reverse (1230112132), we get a palindrome (3542222453).

The spelling of 2312110321 in words is "two billion, three hundred twelve million, one hundred ten thousand, three hundred twenty-one".