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2311244323 = 13928375861
BaseRepresentation
bin1000100111000010…
…1100101000100011
312222002000101011121
42021300230220203
514213134304243
61021201553111
7111163152433
oct21160545043
95862011147
102311244323
11a86701083
12546045797
132aaab11bb
1417cd582c3
15d7d931ed
hex89c2ca23

2311244323 has 8 divisors (see below), whose sum is σ = 2329089840. Its totient is φ = 2293416480.

The previous prime is 2311244321. The next prime is 2311244357. The reversal of 2311244323 is 3234421132.

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 2311244323 - 21 = 2311244321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311244321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391413 + ... + 397273.

It is an arithmetic number, because the mean of its divisors is an integer number (291136230).

Almost surely, 22311244323 is an apocalyptic number.

2311244323 is a deficient number, since it is larger than the sum of its proper divisors (17845517).

2311244323 is a wasteful number, since it uses less digits than its factorization.

2311244323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8837.

The product of its digits is 3456, while the sum is 25.

The square root of 2311244323 is about 48075.4024736143. The cubic root of 2311244323 is about 1322.1537236854.

Adding to 2311244323 its reverse (3234421132), we get a palindrome (5545665455).

The spelling of 2311244323 in words is "two billion, three hundred eleven million, two hundred forty-four thousand, three hundred twenty-three".

Divisors: 1 139 2837 5861 394343 814679 16627657 2311244323