Search a number
-
+
310120013331 = 3279436174421
BaseRepresentation
bin1001000001101001001…
…01111101111000010011
31002122110210111222012200
410200310211331320103
520040111210411311
6354244524054243
731256030422362
oct4406445757023
91078423458180
10310120013331
1110a580732087
125012a694383
132332364908b
141101d1c57d9
158100d76556
hex483497de13

310120013331 has 12 divisors (see below), whose sum is σ = 453621398880. Its totient is φ = 204129628560.

The previous prime is 310120013323. The next prime is 310120013377. The reversal of 310120013331 is 133310021013.

It is a happy number.

310120013331 is a `hidden beast` number, since 310 + 1 + 20 + 0 + 1 + 3 + 331 = 666.

It is not a de Polignac number, because 310120013331 - 23 = 310120013323 is a prime.

It is a super-2 number, since 2×3101200133312 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (310120013311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218086500 + ... + 218087921.

It is an arithmetic number, because the mean of its divisors is an integer number (37801783240).

Almost surely, 2310120013331 is an apocalyptic number.

310120013331 is a deficient number, since it is larger than the sum of its proper divisors (143501385549).

310120013331 is a wasteful number, since it uses less digits than its factorization.

310120013331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436174506 (or 436174503 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 310120013331 its reverse (133310021013), we get a palindrome (443430034344).

The spelling of 310120013331 in words is "three hundred ten billion, one hundred twenty million, thirteen thousand, three hundred thirty-one".

Divisors: 1 3 9 79 237 711 436174421 1308523263 3925569789 34457779259 103373337777 310120013331