21330232131003 has 8 divisors (see below), whose sum is σ = 28440518296848. Its totient is φ = 14220050359584.

The previous prime is 21330232130981. The next prime is 21330232131029. The reversal of 21330232131003 is 30013123203312.

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

It is not a de Polignac number, because 21330232131003 - 2⁵ = 21330232130971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21330232131083) 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, 25620600 + ... + 26440037.

It is an arithmetic number, because the mean of its divisors is an integer number (3555064787106).

Almost surely, 2^{21330232131003} is an apocalyptic number.

21330232131003 is a deficient number, since it is larger than the sum of its proper divisors (7110286165845).

21330232131003 is a wasteful number, since it uses less digits than its factorization.

21330232131003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52197213.

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

Adding to 21330232131003 its reverse (30013123203312), we get a palindrome (51343355334315).

The spelling of 21330232131003 in words is "twenty-one trillion, three hundred thirty billion, two hundred thirty-two million, one hundred thirty-one thousand, three".