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313323314021 = 798347784553
BaseRepresentation
bin1001000111100111000…
…01100101101101100101
31002221202001002111122222
410203303201211231211
520113141232022041
6355534434002125
731431305140424
oct4436341455545
91087661074588
10313323314021
1111097492a323
1250883416345
13237141a2083
14112447cd2bb
15823c1c774b
hex48f3865b65

313323314021 has 8 divisors (see below), whose sum is σ = 321112202880. Its totient is φ = 305629994592.

The previous prime is 313323314011. The next prime is 313323314047. The reversal of 313323314021 is 120413323313.

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 313323314021 - 26 = 313323313957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313323314011) 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, 23885720 + ... + 23898833.

It is an arithmetic number, because the mean of its divisors is an integer number (40139025360).

Almost surely, 2313323314021 is an apocalyptic number.

It is an amenable number.

313323314021 is a deficient number, since it is larger than the sum of its proper divisors (7788888859).

313323314021 is an equidigital number, since it uses as much as digits as its factorization.

313323314021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47784715.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 313323314021 its reverse (120413323313), we get a palindrome (433736637334).

The spelling of 313323314021 in words is "three hundred thirteen billion, three hundred twenty-three million, three hundred fourteen thousand, twenty-one".

Divisors: 1 79 83 6557 47784553 3774979687 3966117899 313323314021