Search a number
-
+
13211031301 = 131697598841
BaseRepresentation
bin11000100110111000…
…00101011100000101
31021002200212220222121
430103130011130011
5204024011000201
610022530125541
7645244625146
oct142334053405
937080786877
1013211031301
11566a312396
1226884208b1
13132701c0b0
148d47bdacd
15524c399a1
hex313705705

13211031301 has 8 divisors (see below), whose sum is σ = 14235672024. Its totient is φ = 12187591680.

The previous prime is 13211031293. The next prime is 13211031319. The reversal of 13211031301 is 10313011231.

It can be written as a sum of positive squares in 4 ways, for example, as 2959468801 + 10251562500 = 54401^2 + 101250^2 .

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 13211031301 - 23 = 13211031293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211031401) 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, 277360 + ... + 321481.

It is an arithmetic number, because the mean of its divisors is an integer number (1779459003).

Almost surely, 213211031301 is an apocalyptic number.

It is an amenable number.

13211031301 is a deficient number, since it is larger than the sum of its proper divisors (1024640723).

13211031301 is a wasteful number, since it uses less digits than its factorization.

13211031301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600551.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 13211031301 its reverse (10313011231), we get a palindrome (23524042532).

The spelling of 13211031301 in words is "thirteen billion, two hundred eleven million, thirty-one thousand, three hundred one".

Divisors: 1 13 1697 22061 598841 7784933 1016233177 13211031301