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1303220231213 = 44319157153563
BaseRepresentation
bin10010111101101101111…
…110101001110000101101
311121120211122210010222212
4102331231332221300231
5132322443334344323
62434405140220205
7163104004122515
oct22755576516055
94546748703885
101303220231213
114627689335aa
121906a599a665
1395b7c2ca6b4
144710d11c845
1523d769bcb78
hex12f6dfa9c2d

1303220231213 has 8 divisors (see below), whose sum is σ = 1306238725728. Its totient is φ = 1300202083024.

The previous prime is 1303220231189. The next prime is 1303220231233. The reversal of 1303220231213 is 3121320223031.

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

It is a cyclic number.

It is not a de Polignac number, because 1303220231213 - 216 = 1303220165677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303220231233) 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, 8409770 + ... + 8563332.

It is an arithmetic number, because the mean of its divisors is an integer number (163279840716).

Almost surely, 21303220231213 is an apocalyptic number.

It is an amenable number.

1303220231213 is a deficient number, since it is larger than the sum of its proper divisors (3018494515).

1303220231213 is a wasteful number, since it uses less digits than its factorization.

1303220231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173163.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1303220231213 its reverse (3121320223031), we get a palindrome (4424540454244).

The spelling of 1303220231213 in words is "one trillion, three hundred three billion, two hundred twenty million, two hundred thirty-one thousand, two hundred thirteen".

Divisors: 1 443 19157 153563 8486551 68028409 2941806391 1303220231213