11312012313 has 96 divisors (see below), whose sum is σ = 21167677440. Its totient is φ = 5887054080.

The previous prime is 11312012303. The next prime is 11312012419. The reversal of 11312012313 is 31321021311.

11312012313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11312012313 - 2⁶ = 11312012249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11312012303) 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 95 ways as a sum of consecutive naturals, for example, 890118 + ... + 902736.

It is an arithmetic number, because the mean of its divisors is an integer number (220496640).

Almost surely, 2^11312012313 is an apocalyptic number.

It is an amenable number.

11312012313 is a deficient number, since it is larger than the sum of its proper divisors (9855665127).

11312012313 is a wasteful number, since it uses less digits than its factorization.

11312012313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12689 (or 12677 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11312012313 its reverse (31321021311), we get a palindrome (42633033624).

The spelling of 11312012313 in words is "eleven billion, three hundred twelve million, twelve thousand, three hundred thirteen".