Search a number
-
+
231332321033201 = 1249185214028049
BaseRepresentation
bin110100100110010101000000…
…110100011111101111110001
31010100002011011012101212122102
4310212111000310133233301
5220310122043141030301
62140000333504150145
766504131365650053
oct6446250064375761
91110064135355572
10231332321033201
1167789539447183
1221b41906308355
139c1070c9b827b
14411a788d498d3
151bb2740540b6b
hexd26540d1fbf1

231332321033201 has 4 divisors (see below), whose sum is σ = 231517535062500. Its totient is φ = 231147107003904.

The previous prime is 231332321033129. The next prime is 231332321033221. The reversal of 231332321033201 is 102330123233132.

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 108074009098225 + 123258311934976 = 10395865^2 + 11102176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-231332321033201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231332321033221) 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, 92607012776 + ... + 92607015273.

It is an arithmetic number, because the mean of its divisors is an integer number (57879383765625).

Almost surely, 2231332321033201 is an apocalyptic number.

It is an amenable number.

231332321033201 is a deficient number, since it is larger than the sum of its proper divisors (185214029299).

231332321033201 is a wasteful number, since it uses less digits than its factorization.

231332321033201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185214029298.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 231332321033201 its reverse (102330123233132), we get a palindrome (333662444266333).

The spelling of 231332321033201 in words is "two hundred thirty-one trillion, three hundred thirty-two billion, three hundred twenty-one million, thirty-three thousand, two hundred one".

Divisors: 1 1249 185214028049 231332321033201