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32131221344333 = 66173485563921
BaseRepresentation
bin1110100111001001000100…
…00010001101000001001101
311012202201022001122120112022
413103210202002031001031
513202414220131004313
6152200513533015525
76524255422045256
oct723444202150115
9135681261576468
1032131221344333
11a268857876051
12372b2b50245a5
1314c0c659038a7
147d12335cdb2d
153aac17e6ec08
hex1d392208d04d

32131221344333 has 4 divisors (see below), whose sum is σ = 32131706974428. Its totient is φ = 32130735714240.

The previous prime is 32131221344323. The next prime is 32131221344353. The reversal of 32131221344333 is 33344312213123.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16050495778249 + 16080725566084 = 4006307^2 + 4010078^2 .

It is a cyclic number.

It is not a de Polignac number, because 32131221344333 - 228 = 32130952908877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32131221344293 and 32131221344302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32131221344303) 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, 242715788 + ... + 242848133.

It is an arithmetic number, because the mean of its divisors is an integer number (8032926743607).

Almost surely, 232131221344333 is an apocalyptic number.

It is an amenable number.

32131221344333 is a deficient number, since it is larger than the sum of its proper divisors (485630095).

32131221344333 is an equidigital number, since it uses as much as digits as its factorization.

32131221344333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485630094.

The product of its digits is 93312, while the sum is 35.

Adding to 32131221344333 its reverse (33344312213123), we get a palindrome (65475533557456).

The spelling of 32131221344333 in words is "thirty-two trillion, one hundred thirty-one billion, two hundred twenty-one million, three hundred forty-four thousand, three hundred thirty-three".

Divisors: 1 66173 485563921 32131221344333