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313112022 = 23538311863
BaseRepresentation
bin10010101010011…
…011010111010110
3210211011201221120
4102222123113112
51120124041042
651023024410
710521260016
oct2252332726
9724151846
10313112022
1115081a773
1288a3b106
134cb3bcb2
142d827c46
151c74ddec
hex12a9b5d6

313112022 has 32 divisors (see below), whose sum is σ = 645781248. Its totient is φ = 101159136.

The previous prime is 313112017. The next prime is 313112029. The reversal of 313112022 is 220211313.

It is a junction number, because it is equal to n+sod(n) for n = 313111992 and 313112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313112029) 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, 20463 + ... + 32325.

It is an arithmetic number, because the mean of its divisors is an integer number (20180664).

Almost surely, 2313112022 is an apocalyptic number.

313112022 is an abundant number, since it is smaller than the sum of its proper divisors (332669226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313112022 is a wasteful number, since it uses less digits than its factorization.

313112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12004.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 313112022 is about 17694.9716586379. The cubic root of 313112022 is about 679.0471241360.

Adding to 313112022 its reverse (220211313), we get a palindrome (533323335).

It can be divided in two parts, 31311 and 2022, that added together give a palindrome (33333).

The spelling of 313112022 in words is "three hundred thirteen million, one hundred twelve thousand, twenty-two".

Divisors: 1 2 3 6 53 83 106 159 166 249 318 498 4399 8798 11863 13197 23726 26394 35589 71178 628739 984629 1257478 1886217 1969258 2953887 3772434 5907774 52185337 104370674 156556011 313112022