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200213031 = 3374341947
BaseRepresentation
bin10111110111100…
…00001000100111
3111221201212122110
423323300020213
5402223304111
631511132103
74650532314
oct1373601047
9457655573
10200213031
11a3019017
1257074033
1332630265
141c839d0b
151289c5a6
hexbef0227

200213031 has 16 divisors (see below), whose sum is σ = 280548224. Its totient is φ = 126844704.

The previous prime is 200213021. The next prime is 200213081. The reversal of 200213031 is 130312002.

It is a happy number.

It is not a de Polignac number, because 200213031 - 26 = 200212967 is a prime.

It is a super-2 number, since 2×2002130312 = 80170515564413922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200212998 and 200213016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200213021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16201 + ... + 25746.

It is an arithmetic number, because the mean of its divisors is an integer number (17534264).

Almost surely, 2200213031 is an apocalyptic number.

200213031 is a deficient number, since it is larger than the sum of its proper divisors (80335193).

200213031 is a wasteful number, since it uses less digits than its factorization.

200213031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42030.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 200213031 is about 14149.6654024044. The cubic root of 200213031 is about 585.0111094391.

Adding to 200213031 its reverse (130312002), we get a palindrome (330525033).

It can be divided in two parts, 2002 and 13031, that multiplied together give a palindrome (26088062).

The spelling of 200213031 in words is "two hundred million, two hundred thirteen thousand, thirty-one".

Divisors: 1 3 37 43 111 129 1591 4773 41947 125841 1552039 1803721 4656117 5411163 66737677 200213031