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311142314 = 2763135221
BaseRepresentation
bin10010100010111…
…010011110101010
3210200110200000102
4102202322132222
51114123023224
650512505402
710465444310
oct2242723652
9720420012
10311142314
1114a6a490a
128824b262
134c5cc5a2
142d4740b0
151c4b04ae
hex128ba7aa

311142314 has 16 divisors (see below), whose sum is σ = 534247296. Its totient is φ = 133131600.

The previous prime is 311142289. The next prime is 311142323. The reversal of 311142314 is 413241113.

It is a super-2 number, since 2×3111423142 = 193619079122549192, which contains 22 as substring.

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, 8777 + ... + 26444.

It is an arithmetic number, because the mean of its divisors is an integer number (33390456).

Almost surely, 2311142314 is an apocalyptic number.

311142314 is a deficient number, since it is larger than the sum of its proper divisors (223104982).

311142314 is a wasteful number, since it uses less digits than its factorization.

311142314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35861.

The product of its digits is 288, while the sum is 20.

The square root of 311142314 is about 17639.2265703460. The cubic root of 311142314 is about 677.6202236687.

Adding to 311142314 its reverse (413241113), we get a palindrome (724383427).

The spelling of 311142314 in words is "three hundred eleven million, one hundred forty-two thousand, three hundred fourteen".

Divisors: 1 2 7 14 631 1262 4417 8834 35221 70442 246547 493094 22224451 44448902 155571157 311142314