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213100200331 = 1417715031403
BaseRepresentation
bin1100011001110111000…
…0110000000110001011
3202101001022121210222021
43012131300300012023
511442412122402311
6241521420505311
721252551546614
oct3063560600613
9671038553867
10213100200331
1182414564647
12353729ab237
13171313a48c5
14a457c90c0b
1558235ba171
hex319dc3018b

213100200331 has 4 divisors (see below), whose sum is σ = 213115245912. Its totient is φ = 213085154752.

The previous prime is 213100200329. The next prime is 213100200337. The reversal of 213100200331 is 133002001312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213100200331 - 21 = 213100200329 is a prime.

It is a super-2 number, since 2×2131002003312 (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 (213100200337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7501525 + ... + 7529878.

It is an arithmetic number, because the mean of its divisors is an integer number (53278811478).

Almost surely, 2213100200331 is an apocalyptic number.

213100200331 is a deficient number, since it is larger than the sum of its proper divisors (15045581).

213100200331 is a wasteful number, since it uses less digits than its factorization.

213100200331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15045580.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 213100200331 its reverse (133002001312), we get a palindrome (346102201643).

The spelling of 213100200331 in words is "two hundred thirteen billion, one hundred million, two hundred thousand, three hundred thirty-one".

Divisors: 1 14177 15031403 213100200331