21433131002204 has 24 divisors (see below), whose sum is σ = 38381524418160. Its totient is φ = 10466997617664.

The previous prime is 21433131002177. The next prime is 21433131002209. The reversal of 21433131002204 is 40220013133412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21433131002209) 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 7 ways as a sum of consecutive naturals, for example, 3210122 + ... + 7291854.

It is an arithmetic number, because the mean of its divisors is an integer number (1599230184090).

Almost surely, 2^{21433131002204} is an apocalyptic number.

It is an amenable number.

21433131002204 is a deficient number, since it is larger than the sum of its proper divisors (16948393415956).

21433131002204 is a wasteful number, since it uses less digits than its factorization.

21433131002204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4112309 (or 4112307 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21433131002204 its reverse (40220013133412), we get a palindrome (61653144135616).

The spelling of 21433131002204 in words is "twenty-one trillion, four hundred thirty-three billion, one hundred thirty-one million, two thousand, two hundred four".