13233212111031 has 16 divisors (see below), whose sum is σ = 20261377395840. Its totient is φ = 7598016522720.

The previous prime is 13233212111011. The next prime is 13233212111039. The reversal of 13233212111031 is 13011121233231.

It is not a de Polignac number, because 13233212111031 - 2¹¹ = 13233212108983 is a prime.

It is a super-2 number, since 2×13233212111031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13233212110992 and 13233212111010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233212111039) 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 15 ways as a sum of consecutive naturals, for example, 10552800100 + ... + 10552801353.

It is an arithmetic number, because the mean of its divisors is an integer number (1266336087240).

Almost surely, 2^{13233212111031} is an apocalyptic number.

13233212111031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13233212111031 is a deficient number, since it is larger than the sum of its proper divisors (7028165284809).

13233212111031 is a wasteful number, since it uses less digits than its factorization.

13233212111031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21105601486.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 13233212111031 its reverse (13011121233231), we get a palindrome (26244333344262).

The spelling of 13233212111031 in words is "thirteen trillion, two hundred thirty-three billion, two hundred twelve million, one hundred eleven thousand, thirty-one".