11131011023 has 8 divisors (see below), whose sum is σ = 12670874496. Its totient is φ = 9679139800.

The previous prime is 11131011011. The next prime is 11131011029. The reversal of 11131011023 is 32011013111.

It is a happy number.

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

It is not a de Polignac number, because 11131011023 - 2⁴ = 11131011007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11131010989 and 11131011007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131011029) 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, 21997793 + ... + 21998298.

It is an arithmetic number, because the mean of its divisors is an integer number (1583859312).

Almost surely, 2^11131011023 is an apocalyptic number.

11131011023 is a deficient number, since it is larger than the sum of its proper divisors (1539863473).

11131011023 is a wasteful number, since it uses less digits than its factorization.

11131011023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43996125.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11131011023 its reverse (32011013111), we get a palindrome (43142024134).

The spelling of 11131011023 in words is "eleven billion, one hundred thirty-one million, eleven thousand, twenty-three".