21323302131003 has 8 divisors (see below), whose sum is σ = 30103485361488. Its totient is φ = 13379326827264.

The previous prime is 21323302130959. The next prime is 21323302131007. The reversal of 21323302131003 is 30013120332312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21323302131003 - 2¹⁰ = 21323302129979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21323302131007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209051981626 + ... + 209051981727.

It is an arithmetic number, because the mean of its divisors is an integer number (3762935670186).

Almost surely, 2^{21323302131003} is an apocalyptic number.

21323302131003 is a deficient number, since it is larger than the sum of its proper divisors (8780183230485).

21323302131003 is a wasteful number, since it uses less digits than its factorization.

21323302131003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418103963373.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21323302131003 its reverse (30013120332312), we get a palindrome (51336422463315).

The spelling of 21323302131003 in words is "twenty-one trillion, three hundred twenty-three billion, three hundred two million, one hundred thirty-one thousand, three".