1315434013 has 4 divisors (see below), whose sum is σ = 1316066400. Its totient is φ = 1314801628.

The previous prime is 1315433993. The next prime is 1315434019. The reversal of 1315434013 is 3104345131.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3104345131 = 167 ⋅18588893.

It is a cyclic number.

It is not a de Polignac number, because 1315434013 - 2²¹ = 1313336861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315434019) 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, 313063 + ... + 317236.

It is an arithmetic number, because the mean of its divisors is an integer number (329016600).

Almost surely, 2^1315434013 is an apocalyptic number.

It is an amenable number.

1315434013 is a deficient number, since it is larger than the sum of its proper divisors (632387).

1315434013 is an equidigital number, since it uses as much as digits as its factorization.

1315434013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632386.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1315434013 is about 36268.9124871425. The cubic root of 1315434013 is about 1095.6950232678.

Adding to 1315434013 its reverse (3104345131), we get a palindrome (4419779144).

The spelling of 1315434013 in words is "one billion, three hundred fifteen million, four hundred thirty-four thousand, thirteen".