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231210131033 = 790413653359
BaseRepresentation
bin1101011101010100110…
…0101001111001011001
3211002210102122121120102
43113111030221321121
512242004243143113
6254114431305145
722463413454450
oct3272514517131
9732712577512
10231210131033
118a068100622
123898797b1b5
1318a59314b2b
14b295135b97
15603343a758
hex35d5329e59

231210131033 has 8 divisors (see below), whose sum is σ = 264269448960. Its totient is φ = 198158137920.

The previous prime is 231210131029. The next prime is 231210131041. The reversal of 231210131033 is 330131012132.

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

It is a cyclic number.

It is not a de Polignac number, because 231210131033 - 22 = 231210131029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 231210130996 and 231210131014.

It is not an unprimeable number, because it can be changed into a prime (231210131083) 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, 1763393 + ... + 1889966.

It is an arithmetic number, because the mean of its divisors is an integer number (33033681120).

Almost surely, 2231210131033 is an apocalyptic number.

It is an amenable number.

231210131033 is a deficient number, since it is larger than the sum of its proper divisors (33059317927).

231210131033 is an equidigital number, since it uses as much as digits as its factorization.

231210131033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3662407.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 231210131033 its reverse (330131012132), we get a palindrome (561341143165).

The spelling of 231210131033 in words is "two hundred thirty-one billion, two hundred ten million, one hundred thirty-one thousand, thirty-three".

Divisors: 1 7 9041 63287 3653359 25573513 33030018719 231210131033