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203031123301 = 1779151177307
BaseRepresentation
bin1011110100010110011…
…0010001010101100101
3201102001120212200222101
42331011212101111211
511311301431421201
6233134325332101
720445205034116
oct2750546212545
9642046780871
10203031123301
1179117859a86
1233422867031
13161b82aca66
149b808aa20d
155434614d01
hex2f45991565

203031123301 has 8 divisors (see below), whose sum is σ = 217695323520. Its totient is φ = 188669277888.

The previous prime is 203031123287. The next prime is 203031123307. The reversal of 203031123301 is 103321130302.

203031123301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203031123301 - 225 = 202997568869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203031123307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75587311 + ... + 75589996.

It is an arithmetic number, because the mean of its divisors is an integer number (27211915440).

Almost surely, 2203031123301 is an apocalyptic number.

It is an amenable number.

203031123301 is a deficient number, since it is larger than the sum of its proper divisors (14664200219).

203031123301 is a wasteful number, since it uses less digits than its factorization.

203031123301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151177403.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 203031123301 its reverse (103321130302), we get a palindrome (306352253603).

The spelling of 203031123301 in words is "two hundred three billion, thirty-one million, one hundred twenty-three thousand, three hundred one".

Divisors: 1 17 79 1343 151177307 2570014219 11943007253 203031123301