1312315041 has 4 divisors (see below), whose sum is σ = 1749753392. Its totient is φ = 874876692.

The previous prime is 1312315027. The next prime is 1312315073. The reversal of 1312315041 is 1405132131.

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 1312315041 - 2⁶ = 1312314977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312314999 and 1312315017.

It is not an unprimeable number, because it can be changed into a prime (1312315091) 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, 218719171 + ... + 218719176.

It is an arithmetic number, because the mean of its divisors is an integer number (437438348).

Almost surely, 2^1312315041 is an apocalyptic number.

It is an amenable number.

1312315041 is a deficient number, since it is larger than the sum of its proper divisors (437438351).

1312315041 is an equidigital number, since it uses as much as digits as its factorization.

1312315041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437438350.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1312315041 is about 36225.8890988199. The cubic root of 1312315041 is about 1094.8283519857.

Adding to 1312315041 its reverse (1405132131), we get a palindrome (2717447172).

The spelling of 1312315041 in words is "one billion, three hundred twelve million, three hundred fifteen thousand, forty-one".