11885031 has 12 divisors (see below), whose sum is σ = 17533152. Its totient is φ = 7754496.

The previous prime is 11885017. The next prime is 11885053. The reversal of 11885031 is 13058811.

It is not a de Polignac number, because 11885031 - 2¹⁰ = 11884007 is a prime.

It is a super-2 number, since 2×11885031² = 282507923741922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11884986 and 11885004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11885831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13626 + ... + 14471.

It is an arithmetic number, because the mean of its divisors is an integer number (1461096).

Almost surely, 2^11885031 is an apocalyptic number.

11885031 is a deficient number, since it is larger than the sum of its proper divisors (5648121).

11885031 is a wasteful number, since it uses less digits than its factorization.

11885031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28150 (or 28147 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 11885031 is about 3447.4673312448. The cubic root of 11885031 is about 228.2093529549.

The spelling of 11885031 in words is "eleven million, eight hundred eighty-five thousand, thirty-one".