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103212003331 = 130778968633
BaseRepresentation
bin110000000011111101…
…0100011000000000011
3100212102000121000111001
41200013322203000003
53142334233101311
6115225343232431
710312455360463
oct1400772430003
9325360530431
10103212003331
113a854537808
12180055a8717
13996b0c1928
144dd1891ba3
152a412094c1
hex1807ea3003

103212003331 has 4 divisors (see below), whose sum is σ = 103290973272. Its totient is φ = 103133033392.

The previous prime is 103212003259. The next prime is 103212003437. The reversal of 103212003331 is 133300212301.

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 103212003331 - 219 = 103211479043 is a prime.

It is a super-2 number, since 2×1032120033312 (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 = 103212003299 and 103212003308.

It is not an unprimeable number, because it can be changed into a prime (103212003931) 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, 39483010 + ... + 39485623.

It is an arithmetic number, because the mean of its divisors is an integer number (25822743318).

Almost surely, 2103212003331 is an apocalyptic number.

103212003331 is a deficient number, since it is larger than the sum of its proper divisors (78969941).

103212003331 is an equidigital number, since it uses as much as digits as its factorization.

103212003331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78969940.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 103212003331 its reverse (133300212301), we get a palindrome (236512215632).

The spelling of 103212003331 in words is "one hundred three billion, two hundred twelve million, three thousand, three hundred thirty-one".

Divisors: 1 1307 78968633 103212003331