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1312112101330 = 25131211210133
BaseRepresentation
bin10011000101111111111…
…110011100011111010010
311122102210100101221200201
4103011333332130133102
5132444201144220310
62442435340005414
7163540234561222
oct23057776343722
94572710357621
101312112101330
11466511090198
1219236783086a
139696854b8c4
1447714028082
15241e743ae3a
hex1317ff9c7d2

1312112101330 has 8 divisors (see below), whose sum is σ = 2361801782412. Its totient is φ = 524844840528.

The previous prime is 1312112101309. The next prime is 1312112101343. The reversal of 1312112101330 is 331012112131.

It can be written as a sum of positive squares in 2 ways, for example, as 1292043695761 + 20068405569 = 1136681^2 + 141663^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1312112101298 and 1312112101307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65605605057 + ... + 65605605076.

Almost surely, 21312112101330 is an apocalyptic number.

1312112101330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312112101330 is a deficient number, since it is larger than the sum of its proper divisors (1049689681082).

1312112101330 is a wasteful number, since it uses less digits than its factorization.

1312112101330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131211210140.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1312112101330 its reverse (331012112131), we get a palindrome (1643124213461).

The spelling of 1312112101330 in words is "one trillion, three hundred twelve billion, one hundred twelve million, one hundred one thousand, three hundred thirty".

Divisors: 1 2 5 10 131211210133 262422420266 656056050665 1312112101330