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1313003131112 = 231294691267681
BaseRepresentation
bin10011000110110101000…
…101011101000011101000
311122112002110000221202202
4103012311011131003220
5133003012300143422
62443104005515332
7163601304316541
oct23066505350350
94575073027682
101313003131112
11466929046042
12192576112b48
1396a7b02436a
144779a4cb4c8
152424a794b92
hex131b515d0e8

1313003131112 has 16 divisors (see below), whose sum is σ = 2461901828100. Its totient is φ = 656495976960.

The previous prime is 1313003131007. The next prime is 1313003131123. The reversal of 1313003131112 is 2111313003131.

It can be written as a sum of positive squares in 2 ways, for example, as 1310782271236 + 2220859876 = 1144894^2 + 47126^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401912 + ... + 1669592.

Almost surely, 21313003131112 is an apocalyptic number.

It is an amenable number.

1313003131112 is a deficient number, since it is larger than the sum of its proper divisors (1148898696988).

1313003131112 is a wasteful number, since it uses less digits than its factorization.

1313003131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397156 (or 1397152 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 1313003131112 its reverse (2111313003131), we get a palindrome (3424316134243).

The spelling of 1313003131112 in words is "one trillion, three hundred thirteen billion, three million, one hundred thirty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 129469 258938 517876 1035752 1267681 2535362 5070724 10141448 164125391389 328250782778 656501565556 1313003131112