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2123302331 = 50315712687
BaseRepresentation
bin111111010001111…
…0000010110111011
312110222100221020002
41332203300112323
513322031133311
6550405423215
7103421525543
oct17643602673
95428327202
102123302331
1199a604517
124b310ab0b
1327ab89417
14161dd4323
15c661b93b
hex7e8f05bb

2123302331 has 8 divisors (see below), whose sum is σ = 2129670144. Its totient is φ = 2116944040.

The previous prime is 2123302327. The next prime is 2123302333. The reversal of 2123302331 is 1332033212.

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 2123302331 - 22 = 2123302327 is a prime.

It is a super-2 number, since 2×21233023312 = 9016825577660067122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123302333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788870 + ... + 791556.

It is an arithmetic number, because the mean of its divisors is an integer number (266208768).

Almost surely, 22123302331 is an apocalyptic number.

2123302331 is a deficient number, since it is larger than the sum of its proper divisors (6367813).

2123302331 is a wasteful number, since it uses less digits than its factorization.

2123302331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2123302331 is about 46079.3048016135. The cubic root of 2123302331 is about 1285.2983366612.

Adding to 2123302331 its reverse (1332033212), we get a palindrome (3455335543).

The spelling of 2123302331 in words is "two billion, one hundred twenty-three million, three hundred two thousand, three hundred thirty-one".

Divisors: 1 503 1571 2687 790213 1351561 4221277 2123302331