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1210200000331 = 7172885714333
BaseRepresentation
bin10001100111000101100…
…010101000011101001011
311021200201220210210222111
4101213011202220131023
5124311442200002311
62323542550003151
7153301612163230
oct21470542503513
94250656723874
101210200000331
11427274394333
121766656464b7
138a17685c66a
144280706d787
1521730402d21
hex119c58a874b

1210200000331 has 4 divisors (see below), whose sum is σ = 1383085714672. Its totient is φ = 1037314285992.

The previous prime is 1210200000299. The next prime is 1210200000379. The reversal of 1210200000331 is 1330000020121.

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 1210200000331 - 25 = 1210200000299 is a prime.

It is a super-2 number, since 2×12102000003312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210200000931) 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 3 ways as a sum of consecutive naturals, for example, 86442857160 + ... + 86442857173.

It is an arithmetic number, because the mean of its divisors is an integer number (345771428668).

Almost surely, 21210200000331 is an apocalyptic number.

1210200000331 is a deficient number, since it is larger than the sum of its proper divisors (172885714341).

1210200000331 is an equidigital number, since it uses as much as digits as its factorization.

1210200000331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172885714340.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1210200000331 its reverse (1330000020121), we get a palindrome (2540200020452).

The spelling of 1210200000331 in words is "one trillion, two hundred ten billion, two hundred million, three hundred thirty-one", and thus it is an aban number.

Divisors: 1 7 172885714333 1210200000331