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313343501305 = 51718253201961
BaseRepresentation
bin1001000111101001011…
…10100110001111111001
31002221210110002010102011
410203310232212033321
520113211414020210
6355540434405521
731431641546452
oct4436456461771
91087713063364
10313343501305
1111098526832a
125088a1308a1
132371841c803
1411247366129
15823dd63d8a
hex48f4ba63f9

313343501305 has 16 divisors (see below), whose sum is σ = 398154349584. Its totient is φ = 235915130880.

The previous prime is 313343501231. The next prime is 313343501369. The reversal of 313343501305 is 503105343313.

It can be written as a sum of positive squares in 8 ways, for example, as 82490158521 + 230853342784 = 287211^2 + 480472^2 .

It is not a de Polignac number, because 313343501305 - 223 = 313335112697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1450525 + ... + 1652485.

It is an arithmetic number, because the mean of its divisors is an integer number (24884646849).

Almost surely, 2313343501305 is an apocalyptic number.

It is an amenable number.

313343501305 is a deficient number, since it is larger than the sum of its proper divisors (84810848279).

313343501305 is a wasteful number, since it uses less digits than its factorization.

313343501305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220236.

The product of its (nonzero) digits is 24300, while the sum is 31.

Adding to 313343501305 its reverse (503105343313), we get a palindrome (816448844618).

The spelling of 313343501305 in words is "three hundred thirteen billion, three hundred forty-three million, five hundred one thousand, three hundred five".

Divisors: 1 5 17 85 18253 91265 201961 310301 1009805 1551505 3433337 17166685 3686394133 18431970665 62668700261 313343501305