11023131 has 16 divisors (see below), whose sum is σ = 16856064. Its totient is φ = 6276864.

The previous prime is 11023121. The next prime is 11023153. The reversal of 11023131 is 13132011.

It is not a de Polignac number, because 11023131 - 2⁹ = 11022619 is a prime.

It is a super-2 number, since 2×11023131² = 243018834086322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11023121) 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 15 ways as a sum of consecutive naturals, for example, 6670 + ... + 8156.

It is an arithmetic number, because the mean of its divisors is an integer number (1053504).

Almost surely, 2^11023131 is an apocalyptic number.

11023131 is a deficient number, since it is larger than the sum of its proper divisors (5832933).

11023131 is a wasteful number, since it uses less digits than its factorization.

11023131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 11023131 is about 3320.1100885362. The cubic root of 11023131 is about 222.5537874424.

Adding to 11023131 its reverse (13132011), we get a palindrome (24155142).

The spelling of 11023131 in words is "eleven million, twenty-three thousand, one hundred thirty-one".