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321023120031313 = 72107487148984437
BaseRepresentation
bin100100011111110000000010…
…1000010001011111001010001
31120002122111210012020210120221
41020333200011002023321101
5314034120322212000223
63054431552503233041
7124422104115342100
oct11077400502137121
91502574705223527
10321023120031313
1193319160225147
1230008521448781
1310a1847287b78b
14593b85d912037
15271a834a7ab5d
hex123f80508be51

321023120031313 has 48 divisors (see below), whose sum is σ = 377957214495360. Its totient is φ = 271845411780096.

The previous prime is 321023120031311. The next prime is 321023120031373. The reversal of 321023120031313 is 313130021320123.

It is not a de Polignac number, because 321023120031313 - 21 = 321023120031311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321023120031311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3801882531 + ... + 3801966967.

It is an arithmetic number, because the mean of its divisors is an integer number (7874108635320).

Almost surely, 2321023120031313 is an apocalyptic number.

It is an amenable number.

321023120031313 is a deficient number, since it is larger than the sum of its proper divisors (56934094464047).

321023120031313 is a wasteful number, since it uses less digits than its factorization.

321023120031313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86534 (or 86527 counting only the distinct ones).

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

Adding to 321023120031313 its reverse (313130021320123), we get a palindrome (634153141351436).

The spelling of 321023120031313 in words is "three hundred twenty-one trillion, twenty-three billion, one hundred twenty million, thirty-one thousand, three hundred thirteen".

Divisors: 1 7 49 107 487 749 1489 3409 5243 10423 23863 52109 72961 84437 159323 364763 591059 725143 1115261 2553341 4137413 5076001 7806827 9034759 35532007 41120819 63243313 77590301 125726693 287845733 442703191 543132107 880086851 2014920131 3801924749 4399927633 6160607957 13452756151 30799493431 61228899491 94169293057 215596454017 428602296437 659185051399 3000216075059 6551492245537 45860445718759 321023120031313