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2123010331 = 132310965141
BaseRepresentation
bin111111010001010…
…1001000100011011
312110221211002200021
41332202221010123
513321442312311
6550355251311
7103416201331
oct17642510433
95427732607
102123010331
1199a4250a2
124b2ba9b37
1327aab6540
14161d59b51
15c65b0171
hex7e8a911b

2123010331 has 16 divisors (see below), whose sum is σ = 2407648320. Its totient is φ = 1857271680.

The previous prime is 2123010311. The next prime is 2123010341. The reversal of 2123010331 is 1330103212.

It is a cyclic number.

It is not a de Polignac number, because 2123010331 - 217 = 2122879259 is a prime.

It is a super-2 number, since 2×21230103312 = 9014345731065459122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123010311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21 + ... + 65161.

It is an arithmetic number, because the mean of its divisors is an integer number (150478020).

Almost surely, 22123010331 is an apocalyptic number.

2123010331 is a deficient number, since it is larger than the sum of its proper divisors (284637989).

2123010331 is a wasteful number, since it uses less digits than its factorization.

2123010331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65286.

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

The square root of 2123010331 is about 46076.1362420939. The cubic root of 2123010331 is about 1285.2394151855.

Adding to 2123010331 its reverse (1330103212), we get a palindrome (3453113543).

The spelling of 2123010331 in words is "two billion, one hundred twenty-three million, ten thousand, three hundred thirty-one".

Divisors: 1 13 23 109 299 1417 2507 32591 65141 846833 1498243 7100369 19477159 92304797 163308487 2123010331