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313211230112 = 2511889804631
BaseRepresentation
bin1001000111011001101…
…10000001011110100000
31002221110020012001110002
410203230312001132200
520112424033330422
6355515351355132
731425444346244
oct4435466013640
91087406161402
10313211230112
11110917634aa0
1250851982aa8
13236c6bba331
1411233974424
158232437692
hex48ecd817a0

313211230112 has 24 divisors (see below), whose sum is σ = 672692301792. Its totient is φ = 142368740800.

The previous prime is 313211230009. The next prime is 313211230141. The reversal of 313211230112 is 211032112313.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444901964 + ... + 444902667.

It is an arithmetic number, because the mean of its divisors is an integer number (28028845908).

Almost surely, 2313211230112 is an apocalyptic number.

313211230112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

313211230112 is an abundant number, since it is smaller than the sum of its proper divisors (359481071680).

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

313211230112 is a wasteful number, since it uses less digits than its factorization.

313211230112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889804652 (or 889804644 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 313211230112 its reverse (211032112313), we get a palindrome (524243342425).

It can be divided in two parts, 3132112301 and 12, that added together give a palindrome (3132112313).

The spelling of 313211230112 in words is "three hundred thirteen billion, two hundred eleven million, two hundred thirty thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 889804631 1779609262 3559218524 7118437048 9787850941 14236874096 19575701882 28473748192 39151403764 78302807528 156605615056 313211230112