11123103231331 has 16 divisors (see below), whose sum is σ = 14162041252800. Its totient is φ = 8497224747648.

The previous prime is 11123103231329. The next prime is 11123103231371. The reversal of 11123103231331 is 13313230132111.

It is not a de Polignac number, because 11123103231331 - 2¹ = 11123103231329 is a prime.

It is a super-3 number, since 3×11123103231331³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 11123103231296 and 11123103231305.

It is not an unprimeable number, because it can be changed into a prime (11123103231371) 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, 2107443976 + ... + 2107449253.

It is an arithmetic number, because the mean of its divisors is an integer number (885127578300).

Almost surely, 2^{11123103231331} is an apocalyptic number.

11123103231331 is a deficient number, since it is larger than the sum of its proper divisors (3038938021469).

11123103231331 is a wasteful number, since it uses less digits than its factorization.

11123103231331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4214893278.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 11123103231331 its reverse (13313230132111), we get a palindrome (24436333363442).

The spelling of 11123103231331 in words is "eleven trillion, one hundred twenty-three billion, one hundred three million, two hundred thirty-one thousand, three hundred thirty-one".