11313121 has 8 divisors (see below), whose sum is σ = 11570688. Its totient is φ = 11058000.

The previous prime is 11313097. The next prime is 11313139. The reversal of 11313121 is 12131311.

11313121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11313121 - 2⁷ = 11312993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11313521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11166 + ... + 12136.

It is an arithmetic number, because the mean of its divisors is an integer number (1446336).

Almost surely, 2^11313121 is an apocalyptic number.

It is an amenable number.

11313121 is a deficient number, since it is larger than the sum of its proper divisors (257567).

11313121 is an equidigital number, since it uses as much as digits as its factorization.

11313121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223.

The product of its digits is 18, while the sum is 13.

The square root of 11313121 is about 3363.4983276345. The cubic root of 11313121 is about 224.4885237758.

Adding to 11313121 its reverse (12131311), we get a palindrome (23444432).

The spelling of 11313121 in words is "eleven million, three hundred thirteen thousand, one hundred twenty-one".