Search a number
-
+
1230320323231 = 26942711070869
BaseRepresentation
bin10001111001110100110…
…011100100101010011111
311100121200010202010012221
4101321310303210222133
5130124144000320411
62341111254210211
7154613325124606
oct21716463445237
94317603663187
101230320323231
1143485982576a
1217a53b953967
138c03214517c
1443795316a3d
152200b9da071
hex11e74ce4a9f

1230320323231 has 8 divisors (see below), whose sum is σ = 1235184292800. Its totient is φ = 1225458504480.

The previous prime is 1230320323229. The next prime is 1230320323249. The reversal of 1230320323231 is 1323230230321.

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 1230320323231 - 21 = 1230320323229 is a prime.

It is a super-2 number, since 2×12303203232312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230320323196 and 1230320323205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230320324231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613465 + ... + 1684333.

It is an arithmetic number, because the mean of its divisors is an integer number (154398036600).

Almost surely, 21230320323231 is an apocalyptic number.

1230320323231 is a deficient number, since it is larger than the sum of its proper divisors (4863969569).

1230320323231 is a wasteful number, since it uses less digits than its factorization.

1230320323231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075409.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 1230320323231 its reverse (1323230230321), we get a palindrome (2553550553552).

It can be divided in two parts, 1230320 and 323231, that added together give a palindrome (1553551).

The spelling of 1230320323231 in words is "one trillion, two hundred thirty billion, three hundred twenty million, three hundred twenty-three thousand, two hundred thirty-one".

Divisors: 1 269 4271 1070869 1148899 288063761 4573681499 1230320323231