11031313 has 2 divisors, whose sum is σ = 11031314. Its totient is φ = 11031312.

The previous prime is 11031311. The next prime is 11031359. The reversal of 11031313 is 31313011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9935104 + 1096209 = 3152^2 + 1047^2 .

It is a cyclic number.

It is not a de Polignac number, because 11031313 - 2¹ = 11031311 is a prime.

Together with 11031311, it forms a pair of twin primes.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 11031293 and 11031302.

It is not a weakly prime, because it can be changed into another prime (11031311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515656 + 5515657.

It is an arithmetic number, because the mean of its divisors is an integer number (5515657).

Almost surely, 2^11031313 is an apocalyptic number.

It is an amenable number.

11031313 is a deficient number, since it is larger than the sum of its proper divisors (1).

11031313 is an equidigital number, since it uses as much as digits as its factorization.

11031313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 11031313 is about 3321.3420480282. The cubic root of 11031313 is about 222.6088378856.

Adding to 11031313 its reverse (31313011), we get a palindrome (42344324).

The spelling of 11031313 in words is "eleven million, thirty-one thousand, three hundred thirteen".