11309313 has 8 divisors (see below), whose sum is σ = 15872800. Its totient is φ = 7142688.

The previous prime is 11309303. The next prime is 11309321. The reversal of 11309313 is 31390311.

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

It is not a de Polignac number, because 11309313 - 2⁸ = 11309057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11309313.

It is not an unprimeable number, because it can be changed into a prime (11309303) 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, 99148 + ... + 99261.

It is an arithmetic number, because the mean of its divisors is an integer number (1984100).

Almost surely, 2^11309313 is an apocalyptic number.

It is an amenable number.

11309313 is a deficient number, since it is larger than the sum of its proper divisors (4563487).

11309313 is a wasteful number, since it uses less digits than its factorization.

11309313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198431.

The product of its (nonzero) digits is 243, while the sum is 21.

The square root of 11309313 is about 3362.9322027064. The cubic root of 11309313 is about 224.4633333139.

Adding to 11309313 its reverse (31390311), we get a palindrome (42699624).

The spelling of 11309313 in words is "eleven million, three hundred nine thousand, three hundred thirteen".