2310321213 has 6 divisors (see below), whose sum is σ = 3337130654. Its totient is φ = 1540214136.

The previous prime is 2310321203. The next prime is 2310321239. The reversal of 2310321213 is 3121230132.

2310321213 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2232846009 + 77475204 = 47253^2 + 8802^2 .

It is not a de Polignac number, because 2310321213 - 2⁴ = 2310321197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2310321203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128351170 + ... + 128351187.

Almost surely, 2^2310321213 is an apocalyptic number.

It is an amenable number.

2310321213 is a deficient number, since it is larger than the sum of its proper divisors (1026809441).

2310321213 is a wasteful number, since it uses less digits than its factorization.

2310321213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256702363 (or 256702360 counting only the distinct ones).

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

The square root of 2310321213 is about 48065.8008671446. The cubic root of 2310321213 is about 1321.9776777007.

Adding to 2310321213 its reverse (3121230132), we get a palindrome (5431551345).

The spelling of 2310321213 in words is "two billion, three hundred ten million, three hundred twenty-one thousand, two hundred thirteen".