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212301032331 = 370767010777
BaseRepresentation
bin1100010110111000100…
…0001010101110001011
3202021222121211212120110
43011232020022232023
511434243031013311
6241310231525403
721224006000013
oct3055610125613
9667877755513
10212301032331
1182044441923
123518b229863
131703495362b
14a3bdaa0c43
1557c83598a6
hex316e20ab8b

212301032331 has 4 divisors (see below), whose sum is σ = 283068043112. Its totient is φ = 141534021552.

The previous prime is 212301032311. The next prime is 212301032371. The reversal of 212301032331 is 133230103212.

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

It is not a de Polignac number, because 212301032331 - 26 = 212301032267 is a prime.

It is a super-2 number, since 2×2123010323312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212301032298 and 212301032307.

It is not an unprimeable number, because it can be changed into a prime (212301032311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35383505386 + ... + 35383505391.

It is an arithmetic number, because the mean of its divisors is an integer number (70767010778).

Almost surely, 2212301032331 is an apocalyptic number.

212301032331 is a deficient number, since it is larger than the sum of its proper divisors (70767010781).

212301032331 is an equidigital number, since it uses as much as digits as its factorization.

212301032331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70767010780.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 212301032331 its reverse (133230103212), we get a palindrome (345531135543).

The spelling of 212301032331 in words is "two hundred twelve billion, three hundred one million, thirty-two thousand, three hundred thirty-one".

Divisors: 1 3 70767010777 212301032331