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313030021321321 = 13120831147163777
BaseRepresentation
bin100011100101100101111101…
…1001110011001001001101001
31112001100101012101212020212021
41013023023323032121021221
5312012140440424240241
63025432001225544441
7122635446512331553
oct10713137316311151
91461311171766767
10313030021321321
11908173173a6277
122b137394945121
13105887b19abc95
145742a3ba564d3
15262c9689320d1
hex11cb2fb399269

313030021321321 has 8 divisors (see below), whose sum is σ = 315570989362464. Its totient is φ = 310491347612160.

The previous prime is 313030021321307. The next prime is 313030021321343. The reversal of 313030021321321 is 123123120030313.

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 313030021321321 - 229 = 313029484450409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313030021321301) 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, 573309016 + ... + 573854761.

It is an arithmetic number, because the mean of its divisors is an integer number (39446373670308).

Almost surely, 2313030021321321 is an apocalyptic number.

It is an amenable number.

313030021321321 is a deficient number, since it is larger than the sum of its proper divisors (2540968041143).

313030021321321 is a wasteful number, since it uses less digits than its factorization.

313030021321321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147165991.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 313030021321321 its reverse (123123120030313), we get a palindrome (436153141351634).

The spelling of 313030021321321 in words is "three hundred thirteen trillion, thirty billion, twenty-one million, three hundred twenty-one thousand, three hundred twenty-one".

Divisors: 1 131 2083 272873 1147163777 150278454787 2389542147491 313030021321321