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313331442332020 = 22572287978610289
BaseRepresentation
bin100011100111110010010100…
…1010100010011000101110100
31112002102012012221200002211021
41013033210221110103011310
5312032110243214111040
63030222251044150524
7122666310143545450
oct10717445124230564
91462365187602737
10313331442332020
1190923133731982
122b185896098444
13105ab04a034808
1457534737b9660
15263570ac3624a
hex11cf929513174

313331442332020 has 48 divisors (see below), whose sum is σ = 752324275422720. Its totient is φ = 107380949681664.

The previous prime is 313331442331949. The next prime is 313331442332063. The reversal of 313331442332020 is 20233244133313.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488984965 + ... + 489625324.

It is an arithmetic number, because the mean of its divisors is an integer number (15673422404640).

Almost surely, 2313331442332020 is an apocalyptic number.

It is an amenable number.

313331442332020 is an abundant number, since it is smaller than the sum of its proper divisors (438992833090700).

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

313331442332020 is a wasteful number, since it uses less digits than its factorization.

313331442332020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978612592 (or 978612590 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 34.

Adding to 313331442332020 its reverse (20233244133313), we get a palindrome (333564686465333).

The spelling of 313331442332020 in words is "three hundred thirteen trillion, three hundred thirty-one billion, four hundred forty-two million, three hundred thirty-two thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 2287 4574 9148 11435 16009 22870 32018 45740 64036 80045 160090 320180 978610289 1957220578 3914441156 4893051445 6850272023 9786102890 13700544046 19572205780 27401088092 34251360115 68502720230 137005440460 2238081730943 4476163461886 8952326923772 11190408654715 15666572116601 22380817309430 31333144233202 44761634618860 62666288466404 78332860583005 156665721166010 313331442332020