1310312023 has 4 divisors (see below), whose sum is σ = 1325034720. Its totient is φ = 1295589328.

The previous prime is 1310312021. The next prime is 1310312027. The reversal of 1310312023 is 3202130131.

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 1310312023 - 2¹ = 1310312021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310311988 and 1310312006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310312021) 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, 7361215 + ... + 7361392.

It is an arithmetic number, because the mean of its divisors is an integer number (331258680).

Almost surely, 2^1310312023 is an apocalyptic number.

1310312023 is a deficient number, since it is larger than the sum of its proper divisors (14722697).

1310312023 is an equidigital number, since it uses as much as digits as its factorization.

1310312023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14722696.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1310312023 is about 36198.2323187197. The cubic root of 1310312023 is about 1094.2710474012.

Adding to 1310312023 its reverse (3202130131), we get a palindrome (4512442154).

The spelling of 1310312023 in words is "one billion, three hundred ten million, three hundred twelve thousand, twenty-three".