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20310303033231 = 345471488915991
BaseRepresentation
bin1001001111000110111000…
…11001011100011110001111
32122220122102221100211222020
410213203130121130132033
510130231000034030411
6111110231401021223
74164241146211101
oct447433431343617
978818387324866
1020310303033231
116520607634732
122340333484813
13b4433a8203c3
14503049885571
152534b6d10606
hex1278dc65c78f

20310303033231 has 8 divisors (see below), whose sum is σ = 27086359726464. Its totient is φ = 13537224181080.

The previous prime is 20310303033143. The next prime is 20310303033239. The reversal of 20310303033231 is 13233030301302.

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

It is not a de Polignac number, because 20310303033231 - 222 = 20310298838927 is a prime.

It is a super-2 number, since 2×203103030332312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310303033239) 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, 744444355 + ... + 744471636.

It is an arithmetic number, because the mean of its divisors is an integer number (3385794965808).

Almost surely, 220310303033231 is an apocalyptic number.

20310303033231 is a deficient number, since it is larger than the sum of its proper divisors (6776056693233).

20310303033231 is a wasteful number, since it uses less digits than its factorization.

20310303033231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488920541.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 20310303033231 its reverse (13233030301302), we get a palindrome (33543333334533).

The spelling of 20310303033231 in words is "twenty trillion, three hundred ten billion, three hundred three million, thirty-three thousand, two hundred thirty-one".

Divisors: 1 3 4547 13641 1488915991 4466747973 6770101011077 20310303033231