2315243301331 has 4 divisors (see below), whose sum is σ = 2364503797152. Its totient is φ = 2265982805512.

The previous prime is 2315243301271. The next prime is 2315243301337. The reversal of 2315243301331 is 1331033425132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2315243301331 - 2²⁷ = 2315109083603 is a prime.

It is a super-2 number, since 2×2315243301331² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2315243301293 and 2315243301302.

It is not an unprimeable number, because it can be changed into a prime (2315243301337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24630247840 + ... + 24630247933.

It is an arithmetic number, because the mean of its divisors is an integer number (591125949288).

Almost surely, 2^{2315243301331} is an apocalyptic number.

2315243301331 is a deficient number, since it is larger than the sum of its proper divisors (49260495821).

2315243301331 is an equidigital number, since it uses as much as digits as its factorization.

2315243301331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49260495820.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 2315243301331 its reverse (1331033425132), we get a palindrome (3646276726463).

The spelling of 2315243301331 in words is "two trillion, three hundred fifteen billion, two hundred forty-three million, three hundred one thousand, three hundred thirty-one".