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313001223212 = 222931101861797
BaseRepresentation
bin1001000111000000101…
…00111010010000101100
31002220220121000121010202
410203200110322100230
520112011303120322
6355442450253032
731420314333236
oct4434024722054
91086817017122
10313001223212
1111081a037777
12507b3587178
132369253b2b2
1411213b09256
15821dca3292
hex48e053a42c

313001223212 has 48 divisors (see below), whose sum is σ = 590710821120. Its totient is φ = 144781728000.

The previous prime is 313001223209. The next prime is 313001223259. The reversal of 313001223212 is 212322100313.

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, 67703 + ... + 794094.

It is an arithmetic number, because the mean of its divisors is an integer number (12306475440).

Almost surely, 2313001223212 is an apocalyptic number.

It is an amenable number.

313001223212 is a deficient number, since it is larger than the sum of its proper divisors (277709597908).

313001223212 is a wasteful number, since it uses less digits than its factorization.

313001223212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861962 (or 861960 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 313001223212 its reverse (212322100313), we get a palindrome (525323323525).

The spelling of 313001223212 in words is "three hundred thirteen billion, one million, two hundred twenty-three thousand, two hundred twelve".

Divisors: 1 2 4 29 31 58 62 101 116 124 202 404 899 1798 2929 3131 3596 5858 6262 11716 12524 90799 181598 363196 861797 1723594 3447188 24992113 26715707 49984226 53431414 87041497 99968452 106862828 174082994 348165988 774755503 1549511006 2524203413 2698286407 3099022012 5048406826 5396572814 10096813652 10793145628 78250305803 156500611606 313001223212