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1313322012121 = 7319093587971
BaseRepresentation
bin10011000111001000000…
…101111000110111011001
311122112220200001210021111
4103013020011320313121
5133004140413341441
62443155400340321
7163612225625020
oct23071005706731
94575820053244
101313322012121
11466a82046069
12192644a746a1
1396acc103152
14477ca9b78b7
1524268783081
hex131c8178dd9

1313322012121 has 8 divisors (see below), whose sum is σ = 1500946698944. Its totient is φ = 1125699139440.

The previous prime is 1313322012113. The next prime is 1313322012143. The reversal of 1313322012121 is 1212102233131.

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 1313322012121 - 23 = 1313322012113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313322012092 and 1313322012101.

It is not an unprimeable number, because it can be changed into a prime (1313322012161) 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, 1939666 + ... + 2527636.

It is an arithmetic number, because the mean of its divisors is an integer number (187618337368).

Almost surely, 21313322012121 is an apocalyptic number.

It is an amenable number.

1313322012121 is a deficient number, since it is larger than the sum of its proper divisors (187624686823).

1313322012121 is an equidigital number, since it uses as much as digits as its factorization.

1313322012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907071.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1313322012121 its reverse (1212102233131), we get a palindrome (2525424245252).

The spelling of 1313322012121 in words is "one trillion, three hundred thirteen billion, three hundred twenty-two million, twelve thousand, one hundred twenty-one".

Divisors: 1 7 319093 587971 2233651 4115797 187617430303 1313322012121