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313113311 = 7674311549
BaseRepresentation
bin10010101010011…
…011101011011111
3210211011210201022
4102222123223133
51120124111221
651023034355
710521263540
oct2252335337
9724153638
10313113311
11150820735
1288a3b9bb
134cb3c764
142d8284c7
151c74e4ab
hex12a9badf

313113311 has 16 divisors (see below), whose sum is σ = 364262400. Its totient is φ = 263593440.

The previous prime is 313113289. The next prime is 313113323. The reversal of 313113311 is 113311313.

It is a cyclic number.

It is not a de Polignac number, because 313113311 - 26 = 313113247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313113311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313113341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201365 + ... + 202913.

It is an arithmetic number, because the mean of its divisors is an integer number (22766400).

Almost surely, 2313113311 is an apocalyptic number.

313113311 is a deficient number, since it is larger than the sum of its proper divisors (51149089).

313113311 is a wasteful number, since it uses less digits than its factorization.

313113311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054.

The product of its digits is 81, while the sum is 17.

The square root of 313113311 is about 17695.0080813771. The cubic root of 313113311 is about 679.0480559543.

Adding to 313113311 its reverse (113311313), we get a palindrome (426424624).

The spelling of 313113311 in words is "three hundred thirteen million, one hundred thirteen thousand, three hundred eleven".

Divisors: 1 7 67 431 469 1549 3017 10843 28877 103783 202139 667619 726481 4673333 44730473 313113311