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313666312 = 231031911993
BaseRepresentation
bin10010101100100…
…010101100001000
3210212012220021211
4102230202230020
51120244310222
651042542504
710526056021
oct2254425410
9725186254
10313666312
11151069163
1289067a34
134cca438b
142d92dc48
151c80d277
hex12b22b08

313666312 has 32 divisors (see below), whose sum is σ = 597242880. Its totient is φ = 154419840.

The previous prime is 313666271. The next prime is 313666343. The reversal of 313666312 is 213666313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156388 + ... + 158380.

It is an arithmetic number, because the mean of its divisors is an integer number (18663840).

Almost surely, 2313666312 is an apocalyptic number.

It is an amenable number.

313666312 is a deficient number, since it is larger than the sum of its proper divisors (283576568).

313666312 is a wasteful number, since it uses less digits than its factorization.

313666312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293 (or 2289 counting only the distinct ones).

The product of its digits is 11664, while the sum is 31.

The square root of 313666312 is about 17710.6270922291. The cubic root of 313666312 is about 679.4475848017.

Subtracting from 313666312 its reverse (213666313), we obtain a palindrome (99999999).

The spelling of 313666312 in words is "three hundred thirteen million, six hundred sixty-six thousand, three hundred twelve".

Divisors: 1 2 4 8 103 191 206 382 412 764 824 1528 1993 3986 7972 15944 19673 39346 78692 157384 205279 380663 410558 761326 821116 1522652 1642232 3045304 39208289 78416578 156833156 313666312