11131313123 has 8 divisors (see below), whose sum is σ = 12930050400. Its totient is φ = 9384713280.

The previous prime is 11131313117. The next prime is 11131313129. The reversal of 11131313123 is 32131313111.

It is an interprime number because it is at equal distance from previous prime (11131313117) and next prime (11131313129).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11131313123 - 2¹⁰ = 11131312099 is a prime.

It is a super-2 number, since 2×11131313123² (a number of 21 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 = 11131313095 and 11131313104.

It is not an unprimeable number, because it can be changed into a prime (11131313129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13033898 + ... + 13034751.

It is an arithmetic number, because the mean of its divisors is an integer number (1616256300).

Almost surely, 2^11131313123 is an apocalyptic number.

11131313123 is a deficient number, since it is larger than the sum of its proper divisors (1798737277).

11131313123 is an equidigital number, since it uses as much as digits as its factorization.

11131313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26068717.

The product of its digits is 162, while the sum is 20.

Adding to 11131313123 its reverse (32131313111), we get a palindrome (43262626234).

The spelling of 11131313123 in words is "eleven billion, one hundred thirty-one million, three hundred thirteen thousand, one hundred twenty-three".