11231131131013 has 16 divisors (see below), whose sum is σ = 11293393305600. Its totient is φ = 11168981241264.

The previous prime is 11231131131001. The next prime is 11231131131023. The reversal of 11231131131013 is 31013113113211.

It is a cyclic number.

It is not a de Polignac number, because 11231131131013 - 2¹⁷ = 11231130999941 is a prime.

It is a super-2 number, since 2×11231131131013² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231131131023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1542098670 + ... + 1542105952.

It is an arithmetic number, because the mean of its divisors is an integer number (705837081600).

Almost surely, 2^{11231131131013} is an apocalyptic number.

It is an amenable number.

11231131131013 is a deficient number, since it is larger than the sum of its proper divisors (62262174587).

11231131131013 is a wasteful number, since it uses less digits than its factorization.

11231131131013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13848.

The product of its (nonzero) digits is 162, while the sum is 22.

Adding to 11231131131013 its reverse (31013113113211), we get a palindrome (42244244244224).

The spelling of 11231131131013 in words is "eleven trillion, two hundred thirty-one billion, one hundred thirty-one million, one hundred thirty-one thousand, thirteen".