11123032131031 has 4 divisors (see below), whose sum is σ = 11123151418000. Its totient is φ = 11122912844064.

The previous prime is 11123032130993. The next prime is 11123032131037. The reversal of 11123032131031 is 13013123032111.

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 11123032131031 - 2¹¹ = 11123032128983 is a prime.

It is a super-2 number, since 2×11123032131031² (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 = 11123032130993 and 11123032131011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123032131037) 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, 59503506 + ... + 59690143.

It is an arithmetic number, because the mean of its divisors is an integer number (2780787854500).

Almost surely, 2^{11123032131031} is an apocalyptic number.

11123032131031 is a deficient number, since it is larger than the sum of its proper divisors (119286969).

11123032131031 is an equidigital number, since it uses as much as digits as its factorization.

11123032131031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119286968.

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

Adding to 11123032131031 its reverse (13013123032111), we get a palindrome (24136155163142).

The spelling of 11123032131031 in words is "eleven trillion, one hundred twenty-three billion, thirty-two million, one hundred thirty-one thousand, thirty-one".