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1311003111301 = 13412332445769
BaseRepresentation
bin10011000100111101110…
…111111110111110000101
311122022221001122102100221
4103010331313332332011
5132434413244030201
62442133322304341
7163500610403152
oct23047567767605
94568831572327
101311003111301
11465aa2095604
121920b83580b1
139681c870ca0
144764aa29229
152417edcb4a1
hex1313ddfef85

1311003111301 has 8 divisors (see below), whose sum is σ = 1411884322520. Its totient is φ = 1210126874112.

The previous prime is 1311003111283. The next prime is 1311003111349. The reversal of 1311003111301 is 1031113001131.

It can be written as a sum of positive squares in 4 ways, for example, as 102819629025 + 1208183482276 = 320655^2 + 1099174^2 .

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

It is not a de Polignac number, because 1311003111301 - 233 = 1302413176709 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 (1311003111001) 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, 686856 + ... + 1758913.

It is an arithmetic number, because the mean of its divisors is an integer number (176485540315).

Almost surely, 21311003111301 is an apocalyptic number.

It is an amenable number.

1311003111301 is a deficient number, since it is larger than the sum of its proper divisors (100881211219).

1311003111301 is a wasteful number, since it uses less digits than its factorization.

1311003111301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487015.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 1311003111301 its reverse (1031113001131), we get a palindrome (2342116112432).

The spelling of 1311003111301 in words is "one trillion, three hundred eleven billion, three million, one hundred eleven thousand, three hundred one".

Divisors: 1 13 41233 536029 2445769 31794997 100846393177 1311003111301