11312303313 has 16 divisors (see below), whose sum is σ = 15270454080. Its totient is φ = 7447911744.

The previous prime is 11312303293. The next prime is 11312303347. The reversal of 11312303313 is 31330321311.

It is not a de Polignac number, because 11312303313 - 2⁹ = 11312302801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11312303313.

It is not an unprimeable number, because it can be changed into a prime (11312303393) 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, 833143 + ... + 846611.

It is an arithmetic number, because the mean of its divisors is an integer number (954403380).

Almost surely, 2^11312303313 is an apocalyptic number.

It is an amenable number.

11312303313 is a deficient number, since it is larger than the sum of its proper divisors (3958150767).

11312303313 is a wasteful number, since it uses less digits than its factorization.

11312303313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16928.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 11312303313 its reverse (31330321311), we get a palindrome (42642624624).

The spelling of 11312303313 in words is "eleven billion, three hundred twelve million, three hundred three thousand, three hundred thirteen".