21310010431044 has 48 divisors (see below), whose sum is σ = 51328363806720. Its totient is φ = 6874059388320.

The previous prime is 21310010431043. The next prime is 21310010431093. The reversal of 21310010431044 is 44013401001312.

21310010431044 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (21310010431043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18938157 + ... + 20031819.

It is an arithmetic number, because the mean of its divisors is an integer number (1069340912640).

Almost surely, 2^{21310010431044} is an apocalyptic number.

It is an amenable number.

21310010431044 is an abundant number, since it is smaller than the sum of its proper divisors (30018353375676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21310010431044 is a wasteful number, since it uses less digits than its factorization.

21310010431044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146080 (or 1146078 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21310010431044 its reverse (44013401001312), we get a palindrome (65323411432356).

The spelling of 21310010431044 in words is "twenty-one trillion, three hundred ten billion, ten million, four hundred thirty-one thousand, forty-four".