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313330031212 = 22118221866213
BaseRepresentation
bin1001000111100111110…
…11001101101001101100
31002221202111201202220211
410203303323031221230
520113144441444322
6355535233552204
731431416215162
oct4436373155154
91087674652824
10313330031212
111109786a8020
1250885715664
13237156b4643
141124565b232
15823caa2b77
hex48f3ecda6c

313330031212 has 24 divisors (see below), whose sum is σ = 598248966672. Its totient is φ = 142405252800.

The previous prime is 313330031207. The next prime is 313330031221. The reversal of 313330031212 is 212130033313.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 71383 + ... + 794830.

It is an arithmetic number, because the mean of its divisors is an integer number (24927040278).

Almost surely, 2313330031212 is an apocalyptic number.

It is an amenable number.

313330031212 is a deficient number, since it is larger than the sum of its proper divisors (284918935460).

313330031212 is a wasteful number, since it uses less digits than its factorization.

313330031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874449 (or 874447 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 313330031212 its reverse (212130033313), we get a palindrome (525460064525).

The spelling of 313330031212 in words is "three hundred thirteen billion, three hundred thirty million, thirty-one thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 8221 16442 32884 90431 180862 361724 866213 1732426 3464852 9528343 19056686 38113372 7121137073 14242274146 28484548292 78332507803 156665015606 313330031212