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1223201103 = 31313112471
BaseRepresentation
bin100100011101000…
…1001000101001111
310011020200001110120
41020322021011033
510001114413403
6321213240023
742212015655
oct11072110517
93136601416
101223201103
11578513103
122a1793013
13166558947
14b864cdd5
15725bee53
hex48e8914f

1223201103 has 8 divisors (see below), whose sum is σ = 1643385216. Its totient is φ = 809242200.

The previous prime is 1223201099. The next prime is 1223201107. The reversal of 1223201103 is 3011023221.

It is an interprime number because it is at equal distance from previous prime (1223201099) and next prime (1223201107).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1223201103 - 22 = 1223201099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223201107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1555843 + ... + 1556628.

It is an arithmetic number, because the mean of its divisors is an integer number (205423152).

Almost surely, 21223201103 is an apocalyptic number.

1223201103 is a deficient number, since it is larger than the sum of its proper divisors (420184113).

1223201103 is a wasteful number, since it uses less digits than its factorization.

1223201103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112605.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1223201103 is about 34974.2920300040. The cubic root of 1223201103 is about 1069.4634696213.

Adding to 1223201103 its reverse (3011023221), we get a palindrome (4234224324).

The spelling of 1223201103 in words is "one billion, two hundred twenty-three million, two hundred one thousand, one hundred three".

Divisors: 1 3 131 393 3112471 9337413 407733701 1223201103