11310345 has 24 divisors (see below), whose sum is σ = 20137416. Its totient is φ = 5868288.

The previous prime is 11310331. The next prime is 11310349. The reversal of 11310345 is 54301311.

11310345 = T₃₈ + T₃₉ + ... + T₄₀₇.

11310345 is a `hidden beast` number, since 11 + 310 + 345 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1121481 + 10188864 = 1059^2 + 3192^2 .

It is not a de Polignac number, because 11310345 - 2⁴ = 11310329 is a prime.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11310349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1732 + ... + 5061.

It is an arithmetic number, because the mean of its divisors is an integer number (839059).

Almost surely, 2^11310345 is an apocalyptic number.

11310345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11310345 is a deficient number, since it is larger than the sum of its proper divisors (8827071).

11310345 is a wasteful number, since it uses less digits than its factorization.

11310345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6841 (or 6838 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 11310345 is about 3363.0856367330. The cubic root of 11310345 is about 224.4701606993.

Adding to 11310345 its reverse (54301311), we get a palindrome (65611656).

The spelling of 11310345 in words is "eleven million, three hundred ten thousand, three hundred forty-five".