11331131220023 has 8 divisors (see below), whose sum is σ = 11358356956128. Its totient is φ = 11303924130304.

The previous prime is 11331131219777. The next prime is 11331131220089. The reversal of 11331131220023 is 32002213113311.

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 11331131220023 - 2⁴² = 6933084708919 is a prime.

It is a super-2 number, since 2×11331131220023² (a number of 27 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 (11331131220223) 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 7 ways as a sum of consecutive naturals, for example, 3444386 + ... + 5875887.

It is an arithmetic number, because the mean of its divisors is an integer number (1419794619516).

Almost surely, 2^{11331131220023} is an apocalyptic number.

11331131220023 is a deficient number, since it is larger than the sum of its proper divisors (27225736105).

11331131220023 is an equidigital number, since it uses as much as digits as its factorization.

11331131220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9323193.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 11331131220023 its reverse (32002213113311), we get a palindrome (43333344333334).

The spelling of 11331131220023 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, two hundred twenty thousand, twenty-three".