11231010311 has 4 divisors (see below), whose sum is σ = 11275755624. Its totient is φ = 11186265000.

The previous prime is 11231010289. The next prime is 11231010379. The reversal of 11231010311 is 11301013211.

It is a happy number.

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 11231010311 - 2⁶ = 11231010247 is a prime.

It is a super-2 number, since 2×11231010311² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231010211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22372280 + ... + 22372781.

It is an arithmetic number, because the mean of its divisors is an integer number (2818938906).

Almost surely, 2^11231010311 is an apocalyptic number.

11231010311 is a deficient number, since it is larger than the sum of its proper divisors (44745313).

11231010311 is an equidigital number, since it uses as much as digits as its factorization.

11231010311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44745312.

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

Adding to 11231010311 its reverse (11301013211), we get a palindrome (22532023522).

The spelling of 11231010311 in words is "eleven billion, two hundred thirty-one million, ten thousand, three hundred eleven".