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BaseRepresentation
bin1001101100110110001000…
…10000000010110111101011
32210112022212201212122012221
410312123010100002313223
510244001120113213311
6113211455335014511
74331123220230032
oct466330420026753
983468781778187
1021332100132331
11688499044180a
12248637920a437
13bb97ba8a9401
1453a69cb33719
1526ed6be76671
hex1366c4402deb

21332100132331 has 4 divisors (see below), whose sum is σ = 21734592587712. Its totient is φ = 20929607676952.

The previous prime is 21332100132289. The next prime is 21332100132361. The reversal of 21332100132331 is 13323100123312.

Adding to 21332100132331 its reverse (13323100123312), we get a palindrome (34655200255643).

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21332100132331 - 217 = 21332100001259 is a prime.

It is a super-2 number, since 2×213321001323312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21332100132296 and 21332100132305.

It is not an unprimeable number, because it can be changed into a prime (21332100132361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201246227611 + ... + 201246227716.

It is an arithmetic number, because the mean of its divisors is an integer number (5433648146928).

Almost surely, 221332100132331 is an apocalyptic number.

21332100132331 is a deficient number, since it is larger than the sum of its proper divisors (402492455381).

21332100132331 is an equidigital number, since it uses as much as digits as its factorization.

21332100132331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402492455380.

The product of its (nonzero) digits is 1944, while the sum is 25.

The spelling of 21332100132331 in words is "twenty-one trillion, three hundred thirty-two billion, one hundred million, one hundred thirty-two thousand, three hundred thirty-one".

Divisors: 1 53 402492455327 21332100132331