Search a number
-
+
3120201331 = 13251956237
BaseRepresentation
bin1011100111111010…
…0111111001110011
322001110012122120021
42321332213321303
522342232420311
61233340424311
7140215162612
oct27176477163
98043178507
103120201331
1113612aa495
12730b48097
133a957bca0
14218575879
15133dd9171
hexb9fa7e73

3120201331 has 8 divisors (see below), whose sum is σ = 3373607664. Its totient is φ = 2868708000.

The previous prime is 3120201317. The next prime is 3120201341. The reversal of 3120201331 is 1331020213.

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

It is a cyclic number.

It is not a de Polignac number, because 3120201331 - 211 = 3120199283 is a prime.

It is a super-2 number, since 2×31202013312 = 19471312691948343122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3120201341) 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, 474856 + ... + 481381.

It is an arithmetic number, because the mean of its divisors is an integer number (421700958).

Almost surely, 23120201331 is an apocalyptic number.

3120201331 is a deficient number, since it is larger than the sum of its proper divisors (253406333).

3120201331 is a wasteful number, since it uses less digits than its factorization.

3120201331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956501.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3120201331 is about 55858.7623475494. The cubic root of 3120201331 is about 1461.2601447603.

Adding to 3120201331 its reverse (1331020213), we get a palindrome (4451221544).

The spelling of 3120201331 in words is "three billion, one hundred twenty million, two hundred one thousand, three hundred thirty-one".

Divisors: 1 13 251 3263 956237 12431081 240015487 3120201331