11043131 has 16 divisors (see below), whose sum is σ = 12680448. Its totient is φ = 9525600.

The previous prime is 11043119. The next prime is 11043143. The reversal of 11043131 is 13134011.

It is an interprime number because it is at equal distance from previous prime (11043119) and next prime (11043143).

It is a cyclic number.

It is not a de Polignac number, because 11043131 - 2¹⁴ = 11026747 is a prime.

It is a super-2 number, since 2×11043131² = 243901484566322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11043181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17186 + ... + 17816.

It is an arithmetic number, because the mean of its divisors is an integer number (792528).

Almost surely, 2^11043131 is an apocalyptic number.

11043131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11043131 is a deficient number, since it is larger than the sum of its proper divisors (1637317).

11043131 is a wasteful number, since it uses less digits than its factorization.

11043131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 11043131 is about 3323.1206718986. The cubic root of 11043131 is about 222.6883041690.

Adding to 11043131 its reverse (13134011), we get a palindrome (24177142).

The spelling of 11043131 in words is "eleven million, forty-three thousand, one hundred thirty-one".