1315402315 has 16 divisors (see below), whose sum is σ = 1651104000. Its totient is φ = 1004129632.

The previous prime is 1315402313. The next prime is 1315402337. The reversal of 1315402315 is 5132045131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1315402315 - 2¹ = 1315402313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1315402315.

It is not an unprimeable number, because it can be changed into a prime (1315402313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34536 + ... + 61834.

It is an arithmetic number, because the mean of its divisors is an integer number (103194000).

Almost surely, 2^1315402315 is an apocalyptic number.

1315402315 is a deficient number, since it is larger than the sum of its proper divisors (335701685).

1315402315 is a wasteful number, since it uses less digits than its factorization.

1315402315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27746.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1315402315 is about 36268.4754987027. The cubic root of 1315402315 is about 1095.6862222131.

Adding to 1315402315 its reverse (5132045131), we get a palindrome (6447447446).

The spelling of 1315402315 in words is "one billion, three hundred fifteen million, four hundred two thousand, three hundred fifteen".