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313123012 = 222313125981
BaseRepresentation
bin10010101010011…
…110000011000100
3210211012022000121
4102222132003010
51120124414022
651023151324
710521334036
oct2252360304
9724168017
10313123012
11150827a54
1288a45544
134cb43cb7
142d82bc56
151c7522c7
hex12a9e0c4

313123012 has 24 divisors (see below), whose sum is σ = 576176832. Its totient is φ = 148605600.

The previous prime is 313123003. The next prime is 313123043. The reversal of 313123012 is 210321313.

313123012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 939 + ... + 25042.

It is an arithmetic number, because the mean of its divisors is an integer number (24007368).

Almost surely, 2313123012 is an apocalyptic number.

It is an amenable number.

313123012 is a deficient number, since it is larger than the sum of its proper divisors (263053820).

313123012 is a wasteful number, since it uses less digits than its factorization.

313123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26139 (or 26137 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 313123012 is about 17695.2821961109. The cubic root of 313123012 is about 679.0550687267.

Adding to 313123012 its reverse (210321313), we get a palindrome (523444325).

The spelling of 313123012 in words is "three hundred thirteen million, one hundred twenty-three thousand, twelve".

Divisors: 1 2 4 23 46 92 131 262 524 3013 6026 12052 25981 51962 103924 597563 1195126 2390252 3403511 6807022 13614044 78280753 156561506 313123012