11131312023 has 24 divisors (see below), whose sum is σ = 17365337808. Its totient is φ = 6830272512.

The previous prime is 11131312009. The next prime is 11131312039. The reversal of 11131312023 is 32021313111.

It is not a de Polignac number, because 11131312023 - 2⁸ = 11131311767 is a prime.

It is a super-2 number, since 2×11131312023² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11131311987 and 11131312005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131312043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96490 + ... + 177687.

It is an arithmetic number, because the mean of its divisors is an integer number (723555742).

Almost surely, 2^11131312023 is an apocalyptic number.

11131312023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11131312023 is a deficient number, since it is larger than the sum of its proper divisors (6234025785).

11131312023 is a wasteful number, since it uses less digits than its factorization.

11131312023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274543 (or 274540 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11131312023 its reverse (32021313111), we get a palindrome (43152625134).

The spelling of 11131312023 in words is "eleven billion, one hundred thirty-one million, three hundred twelve thousand, twenty-three".