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2231103012331 = 2397004478797
BaseRepresentation
bin100000011101111000000…
…110100011110111101011
321220021212101221021022011
4200131320012203313223
5243023244332343311
64424542104340351
7320122545461224
oct40357006436753
97807771837264
102231103012331
11790229538556
1230049ba746b7
1313251361244b
1479db36a024b
153d081d09321
hex207781a3deb

2231103012331 has 4 divisors (see below), whose sum is σ = 2328107491152. Its totient is φ = 2134098533512.

The previous prime is 2231103012317. The next prime is 2231103012343. The reversal of 2231103012331 is 1332103011322.

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 2231103012331 - 213 = 2231103004139 is a prime.

It is a super-3 number, since 3×22311030123313 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231103012361) 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, 48502239376 + ... + 48502239421.

It is an arithmetic number, because the mean of its divisors is an integer number (582026872788).

Almost surely, 22231103012331 is an apocalyptic number.

2231103012331 is a deficient number, since it is larger than the sum of its proper divisors (97004478821).

2231103012331 is an equidigital number, since it uses as much as digits as its factorization.

2231103012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97004478820.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2231103012331 its reverse (1332103011322), we get a palindrome (3563206023653).

The spelling of 2231103012331 in words is "two trillion, two hundred thirty-one billion, one hundred three million, twelve thousand, three hundred thirty-one".

Divisors: 1 23 97004478797 2231103012331