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3130102321 = 89173203293
BaseRepresentation
bin1011101010010001…
…1001001000110001
322002010211200011121
42322210121020301
522402301233241
61234332542241
7140365300513
oct27244311061
98063750147
103130102321
111366952225
12734321981
133ab637768
142199d1bb3
15134be2ad1
hexba919231

3130102321 has 8 divisors (see below), whose sum is σ = 3183584040. Its totient is φ = 3077027712.

The previous prime is 3130102307. The next prime is 3130102337. The reversal of 3130102321 is 1232010313.

It can be written as a sum of positive squares in 4 ways, for example, as 1056575025 + 2073527296 = 32505^2 + 45536^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3130102321 - 25 = 3130102289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3130102295 and 3130102304.

It is not an unprimeable number, because it can be changed into a prime (3130100321) 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, 86250 + ... + 117043.

It is an arithmetic number, because the mean of its divisors is an integer number (397948005).

Almost surely, 23130102321 is an apocalyptic number.

It is an amenable number.

3130102321 is a deficient number, since it is larger than the sum of its proper divisors (53481719).

3130102321 is a wasteful number, since it uses less digits than its factorization.

3130102321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203555.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3130102321 is about 55947.3173708981. The cubic root of 3130102321 is about 1462.8041312231.

Adding to 3130102321 its reverse (1232010313), we get a palindrome (4362112634).

The spelling of 3130102321 in words is "three billion, one hundred thirty million, one hundred two thousand, three hundred twenty-one".

Divisors: 1 89 173 15397 203293 18093077 35169689 3130102321