2031103332021 has 4 divisors (see below), whose sum is σ = 2708137776032. Its totient is φ = 1354068888012.

The previous prime is 2031103331989. The next prime is 2031103332023. The reversal of 2031103332021 is 1202333011302.

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.

It is not a de Polignac number, because 2031103332021 - 2⁵ = 2031103331989 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 (2031103332023) 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 3 ways as a sum of consecutive naturals, for example, 338517222001 + ... + 338517222006.

It is an arithmetic number, because the mean of its divisors is an integer number (677034444008).

Almost surely, 2^{2031103332021} is an apocalyptic number.

It is an amenable number.

2031103332021 is a deficient number, since it is larger than the sum of its proper divisors (677034444011).

2031103332021 is an equidigital number, since it uses as much as digits as its factorization.

2031103332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677034444010.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2031103332021 its reverse (1202333011302), we get a palindrome (3233436343323).

The spelling of 2031103332021 in words is "two trillion, thirty-one billion, one hundred three million, three hundred thirty-two thousand, twenty-one".