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210203210331 = 3224196912499
BaseRepresentation
bin1100001111000100010…
…1100111001001011011
3202002120102102110210100
43003301011213021123
511420444010212311
6240322132150443
721121013543622
oct3036105471133
9662512373710
10210203210331
1181168261134
12348a4768423
1316a8c148c3a
14a2612206b9
1557040c2a56
hex30f116725b

210203210331 has 12 divisors (see below), whose sum is σ = 304886725000. Its totient is φ = 139553997120.

The previous prime is 210203210323. The next prime is 210203210341. The reversal of 210203210331 is 133012302012.

210203210331 is a `hidden beast` number, since 2 + 10 + 2 + 0 + 321 + 0 + 331 = 666.

210203210331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210203210331 - 23 = 210203210323 is a prime.

It is a super-2 number, since 2×2102032103312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210203210341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48454081 + ... + 48458418.

Almost surely, 2210203210331 is an apocalyptic number.

210203210331 is a deficient number, since it is larger than the sum of its proper divisors (94683514669).

210203210331 is a wasteful number, since it uses less digits than its factorization.

210203210331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96912746 (or 96912743 counting only the distinct ones).

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

Adding to 210203210331 its reverse (133012302012), we get a palindrome (343215512343).

The spelling of 210203210331 in words is "two hundred ten billion, two hundred three million, two hundred ten thousand, three hundred thirty-one".

Divisors: 1 3 9 241 723 2169 96912499 290737497 872212491 23355912259 70067736777 210203210331