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311113412 = 22415993167
BaseRepresentation
bin10010100010110…
…011011011000100
3210200102012100222
4102202303123010
51114121112122
650512123512
710465264121
oct2242633304
9720365328
10311113412
1114a685125
1288236598
134c5bc39c
142d467748
151c4a6b42
hex128b36c4

311113412 has 24 divisors (see below), whose sum is σ = 558835200. Its totient is φ = 151461440.

The previous prime is 311113399. The next prime is 311113441. The reversal of 311113412 is 214311113.

It is an unprimeable number.

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, 96653 + ... + 99819.

It is an arithmetic number, because the mean of its divisors is an integer number (23284800).

Almost surely, 2311113412 is an apocalyptic number.

It is an amenable number.

311113412 is a deficient number, since it is larger than the sum of its proper divisors (247721788).

311113412 is a wasteful number, since it uses less digits than its factorization.

311113412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3811 (or 3809 counting only the distinct ones).

The product of its digits is 72, while the sum is 17.

The square root of 311113412 is about 17638.4072977126. The cubic root of 311113412 is about 677.5992416451.

Adding to 311113412 its reverse (214311113), we get a palindrome (525424525).

The spelling of 311113412 in words is "three hundred eleven million, one hundred thirteen thousand, four hundred twelve".

Divisors: 1 2 4 41 82 164 599 1198 2396 3167 6334 12668 24559 49118 98236 129847 259694 519388 1897033 3794066 7588132 77778353 155556706 311113412