11042131 has 2 divisors, whose sum is σ = 11042132. Its totient is φ = 11042130.

The previous prime is 11042123. The next prime is 11042137. The reversal of 11042131 is 13124011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11042131 - 2³ = 11042123 is a prime.

It is a super-2 number, since 2×11042131² = 243857314042322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11042137) 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 as a sum of consecutive naturals, namely, 5521065 + 5521066.

It is an arithmetic number, because the mean of its divisors is an integer number (5521066).

Almost surely, 2^11042131 is an apocalyptic number.

11042131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11042131 is an equidigital number, since it uses as much as digits as its factorization.

11042131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11042131 is about 3322.9702075101. The cubic root of 11042131 is about 222.6815821918.

Adding to 11042131 its reverse (13124011), we get a palindrome (24166142).

The spelling of 11042131 in words is "eleven million, forty-two thousand, one hundred thirty-one".