11311304315 has 16 divisors (see below), whose sum is σ = 13695874848. Its totient is φ = 8967822336.

The previous prime is 11311304309. The next prime is 11311304317. The reversal of 11311304315 is 51340311311.

It is a cyclic number.

It is not a de Polignac number, because 11311304315 - 2¹² = 11311300219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11311304317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268037 + ... + 307353.

It is an arithmetic number, because the mean of its divisors is an integer number (855992178).

Almost surely, 2^11311304315 is an apocalyptic number.

11311304315 is a deficient number, since it is larger than the sum of its proper divisors (2384570533).

11311304315 is a wasteful number, since it uses less digits than its factorization.

11311304315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39838.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 11311304315 its reverse (51340311311), we get a palindrome (62651615626).

The spelling of 11311304315 in words is "eleven billion, three hundred eleven million, three hundred four thousand, three hundred fifteen".