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424311131 = 1797723603
BaseRepresentation
bin11001010010100…
…111100101011011
31002120102020110002
4121102213211123
51332110424011
6110034243215
713341404456
oct3122474533
91076366402
10424311131
111a8570262
12ba12650b
1369ba409a
14404d249d
15273b6c3b
hex194a795b

424311131 has 4 divisors (see below), whose sum is σ = 424352712. Its totient is φ = 424269552.

The previous prime is 424311119. The next prime is 424311179. The reversal of 424311131 is 131113424.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 424311131 - 218 = 424048987 is a prime.

It is a super-2 number, since 2×4243111312 = 360079871780998322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424311101) 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, 6176 + ... + 29778.

It is an arithmetic number, because the mean of its divisors is an integer number (106088178).

Almost surely, 2424311131 is an apocalyptic number.

424311131 is a deficient number, since it is larger than the sum of its proper divisors (41581).

424311131 is a wasteful number, since it uses less digits than its factorization.

424311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41580.

The product of its digits is 288, while the sum is 20.

The square root of 424311131 is about 20598.8138250725. The cubic root of 424311131 is about 751.4408632965.

Adding to 424311131 its reverse (131113424), we get a palindrome (555424555).

The spelling of 424311131 in words is "four hundred twenty-four million, three hundred eleven thousand, one hundred thirty-one".

Divisors: 1 17977 23603 424311131