10031233133221 has 4 divisors (see below), whose sum is σ = 10031243638752. Its totient is φ = 10031222627692.

The previous prime is 10031233133219. The next prime is 10031233133281. The reversal of 10031233133221 is 12233133213001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10031233133221 - 2¹ = 10031233133219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031233133281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3659371 + ... + 5783896.

It is an arithmetic number, because the mean of its divisors is an integer number (2507810909688).

Almost surely, 2^{10031233133221} is an apocalyptic number.

It is an amenable number.

10031233133221 is a deficient number, since it is larger than the sum of its proper divisors (10505531).

10031233133221 is an equidigital number, since it uses as much as digits as its factorization.

10031233133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10505530.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 10031233133221 its reverse (12233133213001), we get a palindrome (22264366346222).

The spelling of 10031233133221 in words is "ten trillion, thirty-one billion, two hundred thirty-three million, one hundred thirty-three thousand, two hundred twenty-one".