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3111304312 = 231217319567
BaseRepresentation
bin1011100101110010…
…1011110001111000
322000211110122011001
42321130223301320
522332443214222
61232422014344
7140046436024
oct27134536170
98024418131
103111304312
111357282a86
12729b773b4
133a778548c
142172db384
1513322ce27
hexb972bc78

3111304312 has 16 divisors (see below), whose sum is σ = 5838507360. Its totient is φ = 1554369024.

The previous prime is 3111304297. The next prime is 3111304337. The reversal of 3111304312 is 2134031113.

It is a self number, because there is not a number n which added to its sum of digits gives 3111304312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150048 + ... + 169519.

It is an arithmetic number, because the mean of its divisors is an integer number (364906710).

Almost surely, 23111304312 is an apocalyptic number.

It is an amenable number.

3111304312 is a deficient number, since it is larger than the sum of its proper divisors (2727203048).

3111304312 is a wasteful number, since it uses less digits than its factorization.

3111304312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320790 (or 320786 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3111304312 is about 55779.0669696079. The cubic root of 3111304312 is about 1459.8699314915.

Adding to 3111304312 its reverse (2134031113), we get a palindrome (5245335425).

The spelling of 3111304312 in words is "three billion, one hundred eleven million, three hundred four thousand, three hundred twelve".

Divisors: 1 2 4 8 1217 2434 4868 9736 319567 639134 1278268 2556536 388913039 777826078 1555652156 3111304312