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4234443131 = 14392942629
BaseRepresentation
bin1111110001100100…
…0111100101111011
3101221002211222222002
43330121013211323
532133004140011
61540102451215
7206635113152
oct37431074573
911832758862
104234443131
111883261886
129a2133b0b
13526378169
142c2540599
1519bb34c3b
hexfc64797b

4234443131 has 4 divisors (see below), whose sum is σ = 4237387200. Its totient is φ = 4231499064.

The previous prime is 4234443127. The next prime is 4234443167. The reversal of 4234443131 is 1313444324.

It is a happy number.

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 4234443131 - 22 = 4234443127 is a prime.

It is a super-2 number, since 2×42344431312 = 35861017259346166322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4234443094 and 4234443103.

It is not an unprimeable number, because it can be changed into a prime (4234463131) 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, 1469876 + ... + 1472753.

It is an arithmetic number, because the mean of its divisors is an integer number (1059346800).

Almost surely, 24234443131 is an apocalyptic number.

4234443131 is a deficient number, since it is larger than the sum of its proper divisors (2944069).

4234443131 is a wasteful number, since it uses less digits than its factorization.

4234443131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944068.

The product of its digits is 13824, while the sum is 29.

The square root of 4234443131 is about 65072.5989261225. The cubic root of 4234443131 is about 1617.8270835810.

Adding to 4234443131 its reverse (1313444324), we get a palindrome (5547887455).

The spelling of 4234443131 in words is "four billion, two hundred thirty-four million, four hundred forty-three thousand, one hundred thirty-one".

Divisors: 1 1439 2942629 4234443131