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3113704381 is a prime number
BaseRepresentation
bin1011100110010111…
…0101101110111101
322000222222120102111
42321211311232331
522334102020011
61232545254021
7140106023224
oct27145655675
98028876374
103113704381
111358672207
1272a934311
133a8115a38
14217763cbb
15133554121
hexb9975bbd

3113704381 has 2 divisors, whose sum is σ = 3113704382. Its totient is φ = 3113704380.

The previous prime is 3113704337. The next prime is 3113704397. The reversal of 3113704381 is 1834073113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3106278756 + 7425625 = 55734^2 + 2725^2 .

It is a cyclic number.

It is not a de Polignac number, because 3113704381 - 219 = 3113180093 is a prime.

It is a super-4 number, since 4×31137043814 (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3113704481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556852190 + 1556852191.

It is an arithmetic number, because the mean of its divisors is an integer number (1556852191).

Almost surely, 23113704381 is an apocalyptic number.

It is an amenable number.

3113704381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113704381 is an equidigital number, since it uses as much as digits as its factorization.

3113704381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 3113704381 is about 55800.5768876989. The cubic root of 3113704381 is about 1460.2452176156.

Adding to 3113704381 its reverse (1834073113), we get a palindrome (4947777494).

The spelling of 3113704381 in words is "three billion, one hundred thirteen million, seven hundred four thousand, three hundred eighty-one".