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312201020002331 = 1590133997577523
BaseRepresentation
bin100011011111100011111011…
…0111001010101000000011011
31111221102010101212121212022002
41012333013312321111000123
5311410100142110033311
63023555100230351215
7122521531213356245
oct10677076671250033
91457363355555262
10312201020002331
1190527788800359
122b022795abb50b
1310528578535235
145714877b6d095
1526160e953693b
hex11bf1f6e5501b

312201020002331 has 8 divisors (see below), whose sum is σ = 312230378458704. Its totient is φ = 312171662800800.

The previous prime is 312201020002307. The next prime is 312201020002337. The reversal of 312201020002331 is 133200020102213.

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-312201020002331 is a prime.

It is a super-2 number, since 2×3122010200023312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312201020002337) 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, 540297536 + ... + 540875058.

It is an arithmetic number, because the mean of its divisors is an integer number (39028797307338).

Almost surely, 2312201020002331 is an apocalyptic number.

312201020002331 is a deficient number, since it is larger than the sum of its proper divisors (29358456373).

312201020002331 is a wasteful number, since it uses less digits than its factorization.

312201020002331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627421.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 312201020002331 its reverse (133200020102213), we get a palindrome (445401040104544).

The spelling of 312201020002331 in words is "three hundred twelve trillion, two hundred one billion, twenty million, two thousand, three hundred thirty-one".

Divisors: 1 15901 33997 577523 540586297 9183193223 19634049431 312201020002331