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2313023231 = 3476665773
BaseRepresentation
bin1000100111011101…
…1110111011111111
312222012100202101002
42021313132323333
514214113220411
61021304040515
7111214241651
oct21167367377
95865322332
102313023231
11a87706652
1254676313b
132ab284acc
1417d29c6d1
15d80e533b
hex89ddeeff

2313023231 has 4 divisors (see below), whose sum is σ = 2319689352. Its totient is φ = 2306357112.

The previous prime is 2313023203. The next prime is 2313023261. The reversal of 2313023231 is 1323203132.

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 2313023231 - 210 = 2313022207 is a prime.

It is a super-2 number, since 2×23130232312 = 10700152934291358722, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313023201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3332540 + ... + 3333233.

It is an arithmetic number, because the mean of its divisors is an integer number (579922338).

Almost surely, 22313023231 is an apocalyptic number.

2313023231 is a deficient number, since it is larger than the sum of its proper divisors (6666121).

2313023231 is an equidigital number, since it uses as much as digits as its factorization.

2313023231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6666120.

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

The square root of 2313023231 is about 48093.9001433654. The cubic root of 2313023231 is about 1322.4928464468.

Adding to 2313023231 its reverse (1323203132), we get a palindrome (3636226363).

The spelling of 2313023231 in words is "two billion, three hundred thirteen million, twenty-three thousand, two hundred thirty-one".

Divisors: 1 347 6665773 2313023231