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313113441443420 = 22549931374092329
BaseRepresentation
bin100011100110001100110011…
…1011100111001111001011100
31112001122100112002112112101002
41013030121213130321321130
5312020022312002142140
63025534155040405432
7122644461653555612
oct10714314734717134
91461570462475332
10313113441443420
1190849734931742
122b14b596016878
1310593617563787
145746ab2b196b2
15262ebec2d0415
hex11cc667739e5c

313113441443420 has 24 divisors (see below), whose sum is σ = 658855938930000. Its totient is φ = 124994383834752.

The previous prime is 313113441443393. The next prime is 313113441443437. The reversal of 313113441443420 is 24344144311313.

It is a super-2 number, since 2×3131134414434202 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15687036185 + ... + 15687056144.

It is an arithmetic number, because the mean of its divisors is an integer number (27452330788750).

Almost surely, 2313113441443420 is an apocalyptic number.

It is an amenable number.

313113441443420 is an abundant number, since it is smaller than the sum of its proper divisors (345742497486580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313113441443420 is a wasteful number, since it uses less digits than its factorization.

313113441443420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31374092837 (or 31374092835 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

Adding to 313113441443420 its reverse (24344144311313), we get a palindrome (337457585754733).

The spelling of 313113441443420 in words is "three hundred thirteen trillion, one hundred thirteen billion, four hundred forty-one million, four hundred forty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 499 998 1996 2495 4990 9980 31374092329 62748184658 125496369316 156870461645 313740923290 627481846580 15655672072171 31311344144342 62622688288684 78278360360855 156556720721710 313113441443420