11012031 has 12 divisors (see below), whose sum is σ = 16495752. Its totient is φ = 7341192.

The previous prime is 11012017. The next prime is 11012033. The reversal of 11012031 is 13021011.

It is not a de Polignac number, because 11012031 - 2⁹ = 11011519 is a prime.

It is a super-2 number, since 2×11012031² = 242529653489922, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22416 + ... + 22901.

It is an arithmetic number, because the mean of its divisors is an integer number (1374646).

Almost surely, 2^11012031 is an apocalyptic number.

11012031 is a deficient number, since it is larger than the sum of its proper divisors (5483721).

11012031 is an frugal number, since it uses more digits than its factorization.

11012031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45332 (or 45320 counting only the distinct ones).

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

The square root of 11012031 is about 3318.4380361851. The cubic root of 11012031 is about 222.4790604374.

Adding to 11012031 its reverse (13021011), we get a palindrome (24033042).

The spelling of 11012031 in words is "eleven million, twelve thousand, thirty-one".