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2130322331 = 3675804693
BaseRepresentation
bin111111011111010…
…0010001110011011
312111110120120212002
41332332202032123
513330330303311
6551220111215
7103535304164
oct17676421633
95443516762
102130322331
119a3569775
124b553550b
1327c476777
14162d0076b
15c705693b
hex7efa239b

2130322331 has 4 divisors (see below), whose sum is σ = 2136127392. Its totient is φ = 2124517272.

The previous prime is 2130322301. The next prime is 2130322349. The reversal of 2130322331 is 1332230312.

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

It is a cyclic number.

It is not a de Polignac number, because 2130322331 - 218 = 2130060187 is a prime.

It is a super-2 number, since 2×21303223312 = 9076546467914547122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130322301) 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, 2901980 + ... + 2902713.

It is an arithmetic number, because the mean of its divisors is an integer number (534031848).

Almost surely, 22130322331 is an apocalyptic number.

2130322331 is a deficient number, since it is larger than the sum of its proper divisors (5805061).

2130322331 is an equidigital number, since it uses as much as digits as its factorization.

2130322331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5805060.

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

The square root of 2130322331 is about 46155.4149694269. The cubic root of 2130322331 is about 1286.7132503992.

Adding to 2130322331 its reverse (1332230312), we get a palindrome (3462552643).

It can be divided in two parts, 21303 and 22331, that added together give a palindrome (43634).

The spelling of 2130322331 in words is "two billion, one hundred thirty million, three hundred twenty-two thousand, three hundred thirty-one".

Divisors: 1 367 5804693 2130322331