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342102331221 = 3722938979187
BaseRepresentation
bin1001111101001101110…
…00110100111101010101
31012201000200220001111220
410332212320310331111
521101111144044341
6421054252120553
733500420556600
oct4764670647525
91181020801456
10342102331221
111220a2935962
1256375466159
132634c607131
14127b4a05337
158d73a1da66
hex4fa6e34f55

342102331221 has 24 divisors (see below), whose sum is σ = 530632452960. Its totient is φ = 195477926112.

The previous prime is 342102331199. The next prime is 342102331273. The reversal of 342102331221 is 122133201243.

It is not a de Polignac number, because 342102331221 - 25 = 342102331189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 342102331191 and 342102331200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342102331121) 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 23 ways as a sum of consecutive naturals, for example, 4280590 + ... + 4359776.

It is an arithmetic number, because the mean of its divisors is an integer number (22109685540).

Almost surely, 2342102331221 is an apocalyptic number.

It is an amenable number.

342102331221 is a deficient number, since it is larger than the sum of its proper divisors (188530121739).

342102331221 is a wasteful number, since it uses less digits than its factorization.

342102331221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108593 (or 108586 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 342102331221 its reverse (122133201243), we get a palindrome (464235532464).

The spelling of 342102331221 in words is "three hundred forty-two billion, one hundred two million, three hundred thirty-one thousand, two hundred twenty-one".

Divisors: 1 3 7 21 49 147 29389 79187 88167 205723 237561 554309 617169 1440061 1662927 3880163 4320183 11640489 2327226743 6981680229 16290587201 48871761603 114034110407 342102331221