2310213023221 has 4 divisors (see below), whose sum is σ = 2310236398944. Its totient is φ = 2310189647500.

The previous prime is 2310213023207. The next prime is 2310213023231. The reversal of 2310213023221 is 1223203120132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2310213023221 - 2¹⁷ = 2310212892149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2310213023192 and 2310213023201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2310213023231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11538985 + ... + 11737486.

It is an arithmetic number, because the mean of its divisors is an integer number (577559099736).

Almost surely, 2^{2310213023221} is an apocalyptic number.

It is an amenable number.

2310213023221 is a deficient number, since it is larger than the sum of its proper divisors (23375723).

2310213023221 is an equidigital number, since it uses as much as digits as its factorization.

2310213023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23375722.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2310213023221 its reverse (1223203120132), we get a palindrome (3533416143353).

The spelling of 2310213023221 in words is "two trillion, three hundred ten billion, two hundred thirteen million, twenty-three thousand, two hundred twenty-one".