Search a number
-
+
3120120231 = 33413304729
BaseRepresentation
bin1011100111111001…
…0100000110100111
322001110001112022120
42321332110012213
522342222321411
61233335001023
7140214404304
oct27176240647
98043045276
103120120231
111361254568
12730b09173
133a95510b7
142185540ab
15133dc0106
hexb9f941a7

3120120231 has 8 divisors (see below), whose sum is σ = 4161392880. Its totient is φ = 2079463872.

The previous prime is 3120120167. The next prime is 3120120233. The reversal of 3120120231 is 1320210213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3120120231 - 26 = 3120120167 is a prime.

It is a super-2 number, since 2×31201202312 = 19470300511790986722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3120120231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120120233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142126 + ... + 162603.

It is an arithmetic number, because the mean of its divisors is an integer number (520174110).

Almost surely, 23120120231 is an apocalyptic number.

3120120231 is a deficient number, since it is larger than the sum of its proper divisors (1041272649).

3120120231 is a wasteful number, since it uses less digits than its factorization.

3120120231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308145.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3120120231 is about 55858.0364048003. The cubic root of 3120120231 is about 1461.2474843353.

Adding to 3120120231 its reverse (1320210213), we get a palindrome (4440330444).

The spelling of 3120120231 in words is "three billion, one hundred twenty million, one hundred twenty thousand, two hundred thirty-one".

Divisors: 1 3 3413 10239 304729 914187 1040040077 3120120231