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10010303231 = 43189231779
BaseRepresentation
bin10010101001010100…
…10001101011111111
3221211122011002111112
421110222101223333
5131000114200411
64333151312235
7503031113345
oct112452215377
927748132445
1010010303231
114277611a85
121b3451b67b
13c36b87066
146ad685995
153d8c45b8b
hex254a91aff

10010303231 has 4 divisors (see below), whose sum is σ = 10010578200. Its totient is φ = 10010028264.

The previous prime is 10010303203. The next prime is 10010303243. The reversal of 10010303231 is 13230301001.

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 10010303231 - 222 = 10006108927 is a prime.

It is a super-2 number, since 2×100103032312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010303531) 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, 72701 + ... + 159078.

It is an arithmetic number, because the mean of its divisors is an integer number (2502644550).

Almost surely, 210010303231 is an apocalyptic number.

10010303231 is a deficient number, since it is larger than the sum of its proper divisors (274969).

10010303231 is an equidigital number, since it uses as much as digits as its factorization.

10010303231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274968.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 10010303231 its reverse (13230301001), we get a palindrome (23240604232).

The spelling of 10010303231 in words is "ten billion, ten million, three hundred three thousand, two hundred thirty-one".

Divisors: 1 43189 231779 10010303231