11328931 has 2 divisors, whose sum is σ = 11328932. Its totient is φ = 11328930.

The previous prime is 11328901. The next prime is 11328983. The reversal of 11328931 is 13982311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11328931 - 2⁹ = 11328419 is a prime.

It is a super-2 number, since 2×11328931² = 256689355205522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11328931.

It is not a weakly prime, because it can be changed into another prime (11328901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5664465 + 5664466.

It is an arithmetic number, because the mean of its divisors is an integer number (5664466).

Almost surely, 2^11328931 is an apocalyptic number.

11328931 is a deficient number, since it is larger than the sum of its proper divisors (1).

11328931 is an equidigital number, since it uses as much as digits as its factorization.

11328931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 28.

The square root of 11328931 is about 3365.8477386834. The cubic root of 11328931 is about 224.5930487645.

The spelling of 11328931 in words is "eleven million, three hundred twenty-eight thousand, nine hundred thirty-one".