11231323220031 has 8 divisors (see below), whose sum is σ = 15228912840960. Its totient is φ = 7360641206232.

The previous prime is 11231323219993. The next prime is 11231323220053. The reversal of 11231323220031 is 13002232313211.

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

It is not a de Polignac number, because 11231323220031 - 2⁶ = 11231323219967 is a prime.

It is a super-2 number, since 2×11231323220031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231323219983 and 11231323220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231323227031) 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, 31726901575 + ... + 31726901928.

It is an arithmetic number, because the mean of its divisors is an integer number (1903614105120).

Almost surely, 2^{11231323220031} is an apocalyptic number.

11231323220031 is a deficient number, since it is larger than the sum of its proper divisors (3997589620929).

11231323220031 is an equidigital number, since it uses as much as digits as its factorization.

11231323220031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63453803565.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 11231323220031 its reverse (13002232313211), we get a palindrome (24233555533242).

The spelling of 11231323220031 in words is "eleven trillion, two hundred thirty-one billion, three hundred twenty-three million, two hundred twenty thousand, thirty-one".