11275031 has 4 divisors (see below), whose sum is σ = 11338200. Its totient is φ = 11211864.

The previous prime is 11275021. The next prime is 11275051. The reversal of 11275031 is 13057211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13057211 = 47 ⋅277813.

It is a cyclic number.

It is not a de Polignac number, because 11275031 - 2¹⁰ = 11274007 is a prime.

It is a super-2 number, since 2×11275031² = 254252648101922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11274994 and 11275012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11275001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31316 + ... + 31673.

It is an arithmetic number, because the mean of its divisors is an integer number (2834550).

Almost surely, 2^11275031 is an apocalyptic number.

11275031 is a deficient number, since it is larger than the sum of its proper divisors (63169).

11275031 is an equidigital number, since it uses as much as digits as its factorization.

11275031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63168.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 11275031 is about 3357.8312941540. The cubic root of 11275031 is about 224.2362979945.

The spelling of 11275031 in words is "eleven million, two hundred seventy-five thousand, thirty-one".