3123142313 has 4 divisors (see below), whose sum is σ = 3162675840. Its totient is φ = 3083608788.

The previous prime is 3123142307. The next prime is 3123142387. The reversal of 3123142313 is 3132413213.

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 3123142313 - 2¹⁰ = 3123141289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3123142303) 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, 19766645 + ... + 19766802.

It is an arithmetic number, because the mean of its divisors is an integer number (790668960).

Almost surely, 2^3123142313 is an apocalyptic number.

It is an amenable number.

3123142313 is a deficient number, since it is larger than the sum of its proper divisors (39533527).

3123142313 is an equidigital number, since it uses as much as digits as its factorization.

3123142313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39533526.

The product of its digits is 1296, while the sum is 23.

The square root of 3123142313 is about 55885.0813097735. The cubic root of 3123142313 is about 1461.7191098293.

Adding to 3123142313 its reverse (3132413213), we get a palindrome (6255555526).

The spelling of 3123142313 in words is "three billion, one hundred twenty-three million, one hundred forty-two thousand, three hundred thirteen".