2313212313 has 4 divisors (see below), whose sum is σ = 3084283088. Its totient is φ = 1542141540.

The previous prime is 2313212263. The next prime is 2313212383. The reversal of 2313212313 is 3132123132.

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 not a de Polignac number, because 2313212313 - 2⁶ = 2313212249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2313212313.

It is not an unprimeable number, because it can be changed into a prime (2313212383) 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, 385535383 + ... + 385535388.

It is an arithmetic number, because the mean of its divisors is an integer number (771070772).

Almost surely, 2^2313212313 is an apocalyptic number.

It is an amenable number.

2313212313 is a deficient number, since it is larger than the sum of its proper divisors (771070775).

2313212313 is an equidigital number, since it uses as much as digits as its factorization.

2313212313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771070774.

The product of its digits is 648, while the sum is 21.

The square root of 2313212313 is about 48095.8658618389. The cubic root of 2313212313 is about 1322.5288819371.

Adding to 2313212313 its reverse (3132123132), we get a palindrome (5445335445).

It can be divided in two parts, 2 and 313212313, that multiplied together give a palindrome (626424626).

The spelling of 2313212313 in words is "two billion, three hundred thirteen million, two hundred twelve thousand, three hundred thirteen".