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131230112332301 = 1088811205261821
BaseRepresentation
bin11101110101101001100100…
…001110101011101000001101
3122012122110212011101101001222
4131311221210032223220031
5114200033232224113201
61143034140434213125
736433030343051003
oct3565514416535015
9565573764341058
10131230112332301
11388a5418282264
12128753371241a5
13582bc3c5a5aa8
1424597dda12a73
1510288e2b9b91b
hex775a643aba0d

131230112332301 has 4 divisors (see below), whose sum is σ = 131231317703004. Its totient is φ = 131228906961600.

The previous prime is 131230112332243. The next prime is 131230112332327. The reversal of 131230112332301 is 103233211032131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55367736902500 + 75862375429801 = 7440950^2 + 8709901^2 .

It is a cyclic number.

It is not a de Polignac number, because 131230112332301 - 238 = 130955234425357 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 (131230112337301) 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, 602522030 + ... + 602739791.

It is an arithmetic number, because the mean of its divisors is an integer number (32807829425751).

Almost surely, 2131230112332301 is an apocalyptic number.

It is an amenable number.

131230112332301 is a deficient number, since it is larger than the sum of its proper divisors (1205370703).

131230112332301 is a wasteful number, since it uses less digits than its factorization.

131230112332301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205370702.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 131230112332301 its reverse (103233211032131), we get a palindrome (234463323364432).

The spelling of 131230112332301 in words is "one hundred thirty-one trillion, two hundred thirty billion, one hundred twelve million, three hundred thirty-two thousand, three hundred one".

Divisors: 1 108881 1205261821 131230112332301