11120031 has 24 divisors (see below), whose sum is σ = 17846160. Its totient is φ = 6840288.

The previous prime is 11120009. The next prime is 11120033. The reversal of 11120031 is 13002111.

It is not a de Polignac number, because 11120031 - 2⁹ = 11119519 is a prime.

It is a super-2 number, since 2×11120031² = 247310178881922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11119995 and 11120022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120033) 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, 3345 + ... + 5781.

It is an arithmetic number, because the mean of its divisors is an integer number (743590).

Almost surely, 2^11120031 is an apocalyptic number.

11120031 is a deficient number, since it is larger than the sum of its proper divisors (6726129).

11120031 is a wasteful number, since it uses less digits than its factorization.

11120031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472 (or 2453 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 11120031 is about 3334.6710482445. The cubic root of 11120031 is about 223.2040133976.

Adding to 11120031 its reverse (13002111), we get a palindrome (24122142).

The spelling of 11120031 in words is "eleven million, one hundred twenty thousand, thirty-one".