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231202420030301 = 3719332376756761
BaseRepresentation
bin110100100100011100000010…
…000111011111101101011101
31010022121201212011202012111212
4310210130002013133231131
5220301010024011432201
62135420531522554205
766461552333440016
oct6444340207375535
91108551764665455
10231202420030301
1167739439744035
1221b206b2808965
139c013aa495905
144114384a9000d
151bae18b234abb
hexd247021dfb5d

231202420030301 has 8 divisors (see below), whose sum is σ = 238681450849464. Its totient is φ = 223788142725120.

The previous prime is 231202420030261. The next prime is 231202420030321. The reversal of 231202420030301 is 103030024202132.

It can be written as a sum of positive squares in 4 ways, for example, as 3668274495076 + 227534145535225 = 1915274^2 + 15084235^2 .

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

It is not a de Polignac number, because 231202420030301 - 218 = 231202419768157 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 (231202420030321) 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, 16188371240 + ... + 16188385521.

It is an arithmetic number, because the mean of its divisors is an integer number (29835181356183).

Almost surely, 2231202420030301 is an apocalyptic number.

It is an amenable number.

231202420030301 is a deficient number, since it is larger than the sum of its proper divisors (7479030819163).

231202420030301 is a wasteful number, since it uses less digits than its factorization.

231202420030301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32376756991.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 231202420030301 its reverse (103030024202132), we get a palindrome (334232444232433).

The spelling of 231202420030301 in words is "two hundred thirty-one trillion, two hundred two billion, four hundred twenty million, thirty thousand, three hundred one".

Divisors: 1 37 193 7141 32376756761 1197940000157 6248714054873 231202420030301