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203231310123301 = 2617538114431913
BaseRepresentation
bin101110001101011001111010…
…000011000001000100100101
3222122120201112102201002012021
4232031121322003001010211
5203114220210342421201
62000123101443423141
760543656215220125
oct5615317203010445
9878521472632167
10203231310123301
1159834a07376289
121a96370a684ab1
138952826a43a15
14382863b040c85
1518767a58c0ea1
hexb8d67a0c1125

203231310123301 has 8 divisors (see below), whose sum is σ = 203346765085464. Its totient is φ = 203115884040960.

The previous prime is 203231310123287. The next prime is 203231310123307. The reversal of 203231310123301 is 103321013132302.

It can be written as a sum of positive squares in 4 ways, for example, as 28506533400801 + 174724776722500 = 5339151^2 + 13218350^2 .

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 203231310123301 - 27 = 203231310123173 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 (203231310123307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6866121 + ... + 21298033.

It is an arithmetic number, because the mean of its divisors is an integer number (25418345635683).

Almost surely, 2203231310123301 is an apocalyptic number.

It is an amenable number.

203231310123301 is a deficient number, since it is larger than the sum of its proper divisors (115454962163).

203231310123301 is a wasteful number, since it uses less digits than its factorization.

203231310123301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14439911.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 203231310123301 its reverse (103321013132302), we get a palindrome (306552323255603).

The spelling of 203231310123301 in words is "two hundred three trillion, two hundred thirty-one billion, three hundred ten million, one hundred twenty-three thousand, three hundred one".

Divisors: 1 2617 5381 14082077 14431913 37768316321 77658123853 203231310123301