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2331313313 = 7333044759
BaseRepresentation
bin1000101011110101…
…0000010010100001
320000110202222122112
42022331100102201
514233304011223
61023200045105
7111525556550
oct21275202241
96013688575
102331313313
11a96a6921a
12550903795
132b1cb9b44
1418189dd97
15d9a09778
hex8af504a1

2331313313 has 4 divisors (see below), whose sum is σ = 2664358080. Its totient is φ = 1998268548.

The previous prime is 2331313297. The next prime is 2331313333. The reversal of 2331313313 is 3133131332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2331313313 - 24 = 2331313297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2331313333) 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 3 ways as a sum of consecutive naturals, for example, 166522373 + ... + 166522386.

It is an arithmetic number, because the mean of its divisors is an integer number (666089520).

Almost surely, 22331313313 is an apocalyptic number.

It is an amenable number.

2331313313 is a deficient number, since it is larger than the sum of its proper divisors (333044767).

2331313313 is an equidigital number, since it uses as much as digits as its factorization.

2331313313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333044766.

The product of its digits is 1458, while the sum is 23.

The square root of 2331313313 is about 48283.6754296936. The cubic root of 2331313313 is about 1325.9695408664.

Adding to 2331313313 its reverse (3133131332), we get a palindrome (5464444645).

The spelling of 2331313313 in words is "two billion, three hundred thirty-one million, three hundred thirteen thousand, three hundred thirteen".

Divisors: 1 7 333044759 2331313313