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231132330213 = 3101762812971
BaseRepresentation
bin1101011101000010001…
…1110111100011100101
3211002121000020220220120
43113100203313203211
512241324334031323
6254103011552153
722461450251061
oct3272043674345
9732530226816
10231132330213
118a0281a1724
12389658bb659
1318a46174745
14b288a82aa1
15602b6bd5e3
hex35d08f78e5

231132330213 has 8 divisors (see below), whose sum is σ = 311227692576. Its totient is φ = 152562594000.

The previous prime is 231132330211. The next prime is 231132330271. The reversal of 231132330213 is 312033231132.

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

It is not a de Polignac number, because 231132330213 - 21 = 231132330211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231132330211) 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, 381406183 + ... + 381406788.

It is an arithmetic number, because the mean of its divisors is an integer number (38903461572).

Almost surely, 2231132330213 is an apocalyptic number.

It is an amenable number.

231132330213 is a deficient number, since it is larger than the sum of its proper divisors (80095362363).

231132330213 is a wasteful number, since it uses less digits than its factorization.

231132330213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762813075.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 231132330213 its reverse (312033231132), we get a palindrome (543165561345).

The spelling of 231132330213 in words is "two hundred thirty-one billion, one hundred thirty-two million, three hundred thirty thousand, two hundred thirteen".

Divisors: 1 3 101 303 762812971 2288438913 77044110071 231132330213