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315335121 = 3130380669
BaseRepresentation
bin10010110010111…
…010000111010001
3210222100200110120
4102302322013101
51121211210441
651142420453
710546206243
oct2262720721
9728320416
10315335121
11151aa8a42
1289731729
1350439b3a
142dc46093
151ca3c966
hex12cba1d1

315335121 has 8 divisors (see below), whose sum is σ = 420774720. Its totient is φ = 210059472.

The previous prime is 315335113. The next prime is 315335149. The reversal of 315335121 is 121533513.

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

It is not a de Polignac number, because 315335121 - 23 = 315335113 is a prime.

It is a super-3 number, since 3×3153351213 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 315335091 and 315335100.

It is not an unprimeable number, because it can be changed into a prime (315335021) 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, 36426 + ... + 44243.

It is an arithmetic number, because the mean of its divisors is an integer number (52596840).

Almost surely, 2315335121 is an apocalyptic number.

It is an amenable number.

315335121 is a deficient number, since it is larger than the sum of its proper divisors (105439599).

315335121 is a wasteful number, since it uses less digits than its factorization.

315335121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81975.

The product of its digits is 1350, while the sum is 24.

The square root of 315335121 is about 17757.6778042626. The cubic root of 315335121 is about 680.6504164648.

Adding to 315335121 its reverse (121533513), we get a palindrome (436868634).

It can be divided in two parts, 31533512 and 1, that added together give a palindrome (31533513).

The spelling of 315335121 in words is "three hundred fifteen million, three hundred thirty-five thousand, one hundred twenty-one".

Divisors: 1 3 1303 3909 80669 242007 105111707 315335121