11031132123031 has 4 divisors (see below), whose sum is σ = 11140351253064. Its totient is φ = 10921912993000.

The previous prime is 11031132122993. The next prime is 11031132123043. The reversal of 11031132123031 is 13032123113011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11031132123031 - 2¹⁹ = 11031131598743 is a prime.

It is a super-2 number, since 2×11031132123031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11031132122993 and 11031132123011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031132103031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54609564865 + ... + 54609565066.

It is an arithmetic number, because the mean of its divisors is an integer number (2785087813266).

Almost surely, 2^{11031132123031} is an apocalyptic number.

11031132123031 is a deficient number, since it is larger than the sum of its proper divisors (109219130033).

11031132123031 is a wasteful number, since it uses less digits than its factorization.

11031132123031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109219130032.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 11031132123031 its reverse (13032123113011), we get a palindrome (24063255236042).

The spelling of 11031132123031 in words is "eleven trillion, thirty-one billion, one hundred thirty-two million, one hundred twenty-three thousand, thirty-one".