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312032434213 = 3735009167009
BaseRepresentation
bin1001000101001101001…
…01010001100000100101
31002211102002002000110201
410202212211101200211
520103020300343323
6355202401550501
731354311633433
oct4424645214045
91084362060421
10312032434213
111103721a1205
1250583045431
132356990b376
14111611a3d53
1581b3bd98ad
hex48a6951825

312032434213 has 8 divisors (see below), whose sum is σ = 312933317400. Its totient is φ = 311131895808.

The previous prime is 312032434187. The next prime is 312032434283. The reversal of 312032434213 is 312434230213.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1312033284 + 310720400929 = 36222^2 + 557423^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-312032434213 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 (312032434283) 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, 1784853 + ... + 1951861.

It is an arithmetic number, because the mean of its divisors is an integer number (39116664675).

Almost surely, 2312032434213 is an apocalyptic number.

It is an amenable number.

312032434213 is a deficient number, since it is larger than the sum of its proper divisors (900883187).

312032434213 is a wasteful number, since it uses less digits than its factorization.

312032434213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172391.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 312032434213 its reverse (312434230213), we get a palindrome (624466664426).

The spelling of 312032434213 in words is "three hundred twelve billion, thirty-two million, four hundred thirty-four thousand, two hundred thirteen".

Divisors: 1 373 5009 167009 1868357 62294357 836548081 312032434213