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203041131 = 367680377
BaseRepresentation
bin11000001101000…
…10100101101011
3112011001120001220
430012202211223
5403434304011
632051513123
75013551436
oct1406424553
9464046056
10203041131
11a467a897
1257bb87a3
13330b05a7
141cd7481d
1512c5a506
hexc1a296b

203041131 has 4 divisors (see below), whose sum is σ = 270721512. Its totient is φ = 135360752.

The previous prime is 203041121. The next prime is 203041133. The reversal of 203041131 is 131140302.

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 203041131 - 25 = 203041099 is a prime.

It is a super-2 number, since 2×2030411312 = 82451401755518322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203041131.

It is not an unprimeable number, because it can be changed into a prime (203041133) 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, 33840186 + ... + 33840191.

It is an arithmetic number, because the mean of its divisors is an integer number (67680378).

Almost surely, 2203041131 is an apocalyptic number.

203041131 is a deficient number, since it is larger than the sum of its proper divisors (67680381).

203041131 is an equidigital number, since it uses as much as digits as its factorization.

203041131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67680380.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 203041131 is about 14249.2501907995. The cubic root of 203041131 is about 587.7527565511.

Adding to 203041131 its reverse (131140302), we get a palindrome (334181433).

The spelling of 203041131 in words is "two hundred three million, forty-one thousand, one hundred thirty-one".

Divisors: 1 3 67680377 203041131