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1312311120113 = 7286636540593
BaseRepresentation
bin10011000110001011110…
…101101001000011110001
311122110022012220011010202
4103012023311221003301
5133000103121320423
62442511205404545
7163545202321010
oct23061365510361
94573265804122
101312311120113
11466603462a24
12192402409755
139699a8513b6
1447732632a77
1524209b4e728
hex1318bd690f1

1312311120113 has 8 divisors (see below), whose sum is σ = 1499836691328. Its totient is φ = 1124798687424.

The previous prime is 1312311120101. The next prime is 1312311120151. The reversal of 1312311120113 is 3110211132131.

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 1312311120113 - 28 = 1312311119857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312311123113) 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, 3069656 + ... + 3470937.

It is an arithmetic number, because the mean of its divisors is an integer number (187479586416).

Almost surely, 21312311120113 is an apocalyptic number.

It is an amenable number.

1312311120113 is a deficient number, since it is larger than the sum of its proper divisors (187525571215).

1312311120113 is an equidigital number, since it uses as much as digits as its factorization.

1312311120113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6569263.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1312311120113 its reverse (3110211132131), we get a palindrome (4422522252244).

The spelling of 1312311120113 in words is "one trillion, three hundred twelve billion, three hundred eleven million, one hundred twenty thousand, one hundred thirteen".

Divisors: 1 7 28663 200641 6540593 45784151 187473017159 1312311120113