Search a number
-
+
3115340231 = 17318007747
BaseRepresentation
bin1011100110110000…
…0101000111000111
322001010001200101112
42321230011013013
522340011341411
61233044315235
7140125645403
oct27154050707
98033050345
103115340231
11135958a253
1272b3a2b1b
133a85694b3
14217a6c103
15133778b8b
hexb9b051c7

3115340231 has 4 divisors (see below), whose sum is σ = 3133348152. Its totient is φ = 3097332312.

The previous prime is 3115340161. The next prime is 3115340251. The reversal of 3115340231 is 1320435113.

3115340231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3115340231 is a prime.

It is a super-2 number, since 2×31153402312 = 19410689509774266722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3115340197 and 3115340206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3115340251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9003701 + ... + 9004046.

It is an arithmetic number, because the mean of its divisors is an integer number (783337038).

Almost surely, 23115340231 is an apocalyptic number.

3115340231 is a deficient number, since it is larger than the sum of its proper divisors (18007921).

3115340231 is a wasteful number, since it uses less digits than its factorization.

3115340231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18007920.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3115340231 is about 55815.2329655624. The cubic root of 3115340231 is about 1460.5008963447.

Adding to 3115340231 its reverse (1320435113), we get a palindrome (4435775344).

The spelling of 3115340231 in words is "three billion, one hundred fifteen million, three hundred forty thousand, two hundred thirty-one".

Divisors: 1 173 18007747 3115340231