11232021312331 has 8 divisors (see below), whose sum is σ = 11275975841760. Its totient is φ = 11188068722688.

The previous prime is 11232021312319. The next prime is 11232021312389. The reversal of 11232021312331 is 13321312023211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11232021312331 is a prime.

It is a super-2 number, since 2×11232021312331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11232021312296 and 11232021312305.

It is not an unprimeable number, because it can be changed into a prime (11232021312301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11717850 + ... + 12640096.

It is an arithmetic number, because the mean of its divisors is an integer number (1409496980220).

Almost surely, 2^{11232021312331} is an apocalyptic number.

11232021312331 is a deficient number, since it is larger than the sum of its proper divisors (43954529429).

11232021312331 is an equidigital number, since it uses as much as digits as its factorization.

11232021312331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969893.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 11232021312331 its reverse (13321312023211), we get a palindrome (24553333335542).

The spelling of 11232021312331 in words is "eleven trillion, two hundred thirty-two billion, twenty-one million, three hundred twelve thousand, three hundred thirty-one".