Search a number
-
+
313003233121 = 1019401376543
BaseRepresentation
bin1001000111000000111…
…00100100111101100001
31002220220201210201012211
410203200130210331201
520112012311424441
6355443001322121
731420340404105
oct4434034447541
91086821721184
10313003233121
1111082018a857
12507b4196341
1323692a930a7
14112140ad905
15821e04da81
hex48e0724f61

313003233121 has 8 divisors (see below), whose sum is σ = 313392568320. Its totient is φ = 312614061072.

The previous prime is 313003233089. The next prime is 313003233131. The reversal of 313003233121 is 121332300313.

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 313003233121 - 25 = 313003233089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313003233092 and 313003233101.

It is not an unprimeable number, because it can be changed into a prime (313003233131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4050976 + ... + 4127518.

It is an arithmetic number, because the mean of its divisors is an integer number (39174071040).

Almost surely, 2313003233121 is an apocalyptic number.

It is an amenable number.

313003233121 is a deficient number, since it is larger than the sum of its proper divisors (389335199).

313003233121 is a wasteful number, since it uses less digits than its factorization.

313003233121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81575.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 313003233121 its reverse (121332300313), we get a palindrome (434335533434).

The spelling of 313003233121 in words is "three hundred thirteen billion, three million, two hundred thirty-three thousand, one hundred twenty-one".

Divisors: 1 1019 4013 76543 4089247 77997317 307167059 313003233121