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10203113332231 = 22913514452881
BaseRepresentation
bin1001010001111001100011…
…1100100001111000000111
31100010102000111210121020221
42110132120330201320013
52314131434003112411
633411125012405211
72102102442234541
oct224363074417007
940112014717227
1010203113332231
113284130532866
121189522016807
135901c348cc01
14273b948b8691
1512a616896071
hex94798f21e07

10203113332231 has 4 divisors (see below), whose sum is σ = 10203120076464. Its totient is φ = 10203106588000.

The previous prime is 10203113332219. The next prime is 10203113332249. The reversal of 10203113332231 is 13223331130201.

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 10203113332231 - 223 = 10203104943623 is a prime.

It is a super-2 number, since 2×102031133322312 (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 = 10203113332196 and 10203113332205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203113332631) 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, 64911 + ... + 4517791.

It is an arithmetic number, because the mean of its divisors is an integer number (2550780019116).

Almost surely, 210203113332231 is an apocalyptic number.

10203113332231 is a deficient number, since it is larger than the sum of its proper divisors (6744233).

10203113332231 is an equidigital number, since it uses as much as digits as its factorization.

10203113332231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6744232.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 10203113332231 its reverse (13223331130201), we get a palindrome (23426444462432).

The spelling of 10203113332231 in words is "ten trillion, two hundred three billion, one hundred thirteen million, three hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 2291351 4452881 10203113332231