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10203010330231 = 16879376044663
BaseRepresentation
bin1001010001111001001011…
…0011100110111001110111
31100010101202022222120002001
42110132102303212321313
52314131231121031411
633411110453000131
72102100051600265
oct224362263467167
940111668876061
1010203010330231
113284088380944
1211894b3623047
135901a8037b94
14273b84d45435
1512a60c7ebdc1
hex94792ce6e77

10203010330231 has 4 divisors (see below), whose sum is σ = 10203018062832. Its totient is φ = 10203002597632.

The previous prime is 10203010330229. The next prime is 10203010330313. The reversal of 10203010330231 is 13203301030201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10203010330231 - 21 = 10203010330229 is a prime.

It is a super-2 number, since 2×102030103302312 (a number of 27 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 = 10203010330199 and 10203010330208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203010330211) 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, 1334395 + ... + 4710268.

It is an arithmetic number, because the mean of its divisors is an integer number (2550754515708).

Almost surely, 210203010330231 is an apocalyptic number.

10203010330231 is a deficient number, since it is larger than the sum of its proper divisors (7732601).

10203010330231 is an equidigital number, since it uses as much as digits as its factorization.

10203010330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7732600.

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

Adding to 10203010330231 its reverse (13203301030201), we get a palindrome (23406311360432).

The spelling of 10203010330231 in words is "ten trillion, two hundred three billion, ten million, three hundred thirty thousand, two hundred thirty-one".

Divisors: 1 1687937 6044663 10203010330231