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313111330 = 2574473019
BaseRepresentation
bin10010101010011…
…011001100100010
3210211011200222221
4102222123030202
51120124030310
651023021254
710521255010
oct2252331442
9724150887
10313111330
1115081a1a4
1288a3a82a
134cb3b89c
142d8278b0
151c74dada
hex12a9b322

313111330 has 16 divisors (see below), whose sum is σ = 644114880. Its totient is φ = 107352432.

The previous prime is 313111327. The next prime is 313111339. The reversal of 313111330 is 33111313.

It is not an unprimeable number, because it can be changed into a prime (313111339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2236440 + ... + 2236579.

It is an arithmetic number, because the mean of its divisors is an integer number (40257180).

Almost surely, 2313111330 is an apocalyptic number.

313111330 is an abundant number, since it is smaller than the sum of its proper divisors (331003550).

313111330 is a wasteful number, since it uses less digits than its factorization.

313111330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473033.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 313111330 is about 17694.9521050496. The cubic root of 313111330 is about 679.0466238880.

Adding to 313111330 its reverse (33111313), we get a palindrome (346222643).

The spelling of 313111330 in words is "three hundred thirteen million, one hundred eleven thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 4473019 8946038 22365095 31311133 44730190 62622266 156555665 313111330