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1313003231120 = 24574749886141
BaseRepresentation
bin10011000110110101000…
…101110101011110010000
311122112002110020000221202
4103012311011311132100
5133003012311343440
62443104012010332
7163601305214240
oct23066505653620
94575073200852
101313003231120
11466929104199
121925761609a8
1396a7b05aa39
144779a515b20
152424a7b4615
hex131b5175790

1313003231120 has 80 divisors (see below), whose sum is σ = 3563067806208. Its totient is φ = 440594388480.

The previous prime is 1313003231119. The next prime is 1313003231153. The reversal of 1313003231120 is 211323003131.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1313003231092 and 1313003231101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24916751 + ... + 24969390.

Almost surely, 21313003231120 is an apocalyptic number.

1313003231120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313003231120 is an abundant number, since it is smaller than the sum of its proper divisors (2250064575088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313003231120 is a wasteful number, since it uses less digits than its factorization.

1313003231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49886208 (or 49886202 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1313003231120 its reverse (211323003131), we get a palindrome (1524326234251).

The spelling of 1313003231120 in words is "one trillion, three hundred thirteen billion, three million, two hundred thirty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 47 56 70 80 94 112 140 188 235 280 329 376 470 560 658 752 940 1316 1645 1880 2632 3290 3760 5264 6580 13160 26320 49886141 99772282 199544564 249430705 349202987 399089128 498861410 698405974 798178256 997722820 1396811948 1746014935 1995445640 2344648627 2793623896 3492029870 3990891280 4689297254 5587247792 6984059740 9378594508 11723243135 13968119480 16412540389 18757189016 23446486270 27936238960 32825080778 37514378032 46892972540 65650161556 82062701945 93785945080 131300323112 164125403890 187571890160 262600646224 328250807780 656501615560 1313003231120