11231022311 has 8 divisors (see below), whose sum is σ = 11280361344. Its totient is φ = 11181776760.

The previous prime is 11231022277. The next prime is 11231022317. The reversal of 11231022311 is 11322013211.

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 11231022311 - 2⁶ = 11231022247 is a prime.

It is a super-2 number, since 2×11231022311² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11231022311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231022317) 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, 223100 + ... + 268766.

It is an arithmetic number, because the mean of its divisors is an integer number (1410045168).

Almost surely, 2^11231022311 is an apocalyptic number.

11231022311 is a deficient number, since it is larger than the sum of its proper divisors (49339033).

11231022311 is an equidigital number, since it uses as much as digits as its factorization.

11231022311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46741.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11231022311 its reverse (11322013211), we get a palindrome (22553035522).

The spelling of 11231022311 in words is "eleven billion, two hundred thirty-one million, twenty-two thousand, three hundred eleven".