Search a number
-
+
321131200201 = 773628436791
BaseRepresentation
bin1001010110001001110…
…10010011111011001001
31010200220012000012221121
410223010322103323021
520230134041401301
6403305312035241
732125634110120
oct4530472237311
91120805005847
10321131200201
11114211210819
12522a2232b21
132438998c576
1411785768ab7
1585478c53a1
hex4ac4e93ec9

321131200201 has 8 divisors (see below), whose sum is σ = 372034580864. Its totient is φ = 271484693280.

The previous prime is 321131200193. The next prime is 321131200207. The reversal of 321131200201 is 102002131123.

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 321131200201 - 23 = 321131200193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321131200207) 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, 314217885 + ... + 314218906.

It is an arithmetic number, because the mean of its divisors is an integer number (46504322608).

Almost surely, 2321131200201 is an apocalyptic number.

It is an amenable number.

321131200201 is a deficient number, since it is larger than the sum of its proper divisors (50903380663).

321131200201 is an equidigital number, since it uses as much as digits as its factorization.

321131200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628436871.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 321131200201 its reverse (102002131123), we get a palindrome (423133331324).

The spelling of 321131200201 in words is "three hundred twenty-one billion, one hundred thirty-one million, two hundred thousand, two hundred one".

Divisors: 1 7 73 511 628436791 4399057537 45875885743 321131200201