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231130322001 = 3242101609989
BaseRepresentation
bin1101011101000001110…
…0001101010001010001
3211002120212110220011100
43113100130031101101
512241323330301001
6254102500535013
722461424215165
oct3272034152121
9732525426140
10231130322001
118a02704a947
12389650b1469
1318a45920657
14b2886bcca5
15602b423586
hex35d070d451

231130322001 has 12 divisors (see below), whose sum is σ = 333863386740. Its totient is φ = 154082968800.

The previous prime is 231130321979. The next prime is 231130322011. The reversal of 231130322001 is 100223031132.

231130322001 is a `hidden beast` number, since 2 + 311 + 30 + 322 + 0 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 104393610000 + 126736712001 = 323100^2 + 356001^2 .

It is not a de Polignac number, because 231130322001 - 29 = 231130321489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231130322011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73915 + ... + 683903.

It is an arithmetic number, because the mean of its divisors is an integer number (27821948895).

Almost surely, 2231130322001 is an apocalyptic number.

It is an amenable number.

231130322001 is a deficient number, since it is larger than the sum of its proper divisors (102733064739).

231130322001 is a wasteful number, since it uses less digits than its factorization.

231130322001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652096 (or 652093 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 231130322001 its reverse (100223031132), we get a palindrome (331353353133).

The spelling of 231130322001 in words is "two hundred thirty-one billion, one hundred thirty million, three hundred twenty-two thousand, one".

Divisors: 1 3 9 42101 126303 378909 609989 1829967 5489901 25681146889 77043440667 231130322001