11231322232031 has 16 divisors (see below), whose sum is σ = 12496966169760. Its totient is φ = 10006862161920.

The previous prime is 11231322232001. The next prime is 11231322232049. The reversal of 11231322232031 is 13023222313211.

It is a cyclic number.

It is not a de Polignac number, because 11231322232031 - 2⁶ = 11231322231967 is a prime.

It is a super-2 number, since 2×11231322232031² (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 (11231322232001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9826910 + ... + 10910123.

It is an arithmetic number, because the mean of its divisors is an integer number (781060385610).

Almost surely, 2^{11231322232031} is an apocalyptic number.

11231322232031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11231322232031 is a deficient number, since it is larger than the sum of its proper divisors (1265643937729).

11231322232031 is a wasteful number, since it uses less digits than its factorization.

11231322232031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20738026.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 11231322232031 its reverse (13023222313211), we get a palindrome (24254544545242).

The spelling of 11231322232031 in words is "eleven trillion, two hundred thirty-one billion, three hundred twenty-two million, two hundred thirty-two thousand, thirty-one".