Search a number
-
+
1000320031211 = 3250330776237
BaseRepresentation
bin11101000111001111011…
…10000101100111101011
310112122000000121200202212
432203213232011213223
5112342123411444321
62043312441515335
7132161601654434
oct16434756054753
93478000550685
101000320031211
113562626410a6
12141a511a2b4b
137343968b017
14365b6b5248b
151b0498d055b
hexe8e7b859eb

1000320031211 has 4 divisors (see below), whose sum is σ = 1000350839952. Its totient is φ = 1000289222472.

The previous prime is 1000320031201. The next prime is 1000320031213. The reversal of 1000320031211 is 1121300230001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1000320031211 - 234 = 983140162027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000320031213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15355616 + ... + 15420621.

It is an arithmetic number, because the mean of its divisors is an integer number (250087709988).

Almost surely, 21000320031211 is an apocalyptic number.

1000320031211 is a deficient number, since it is larger than the sum of its proper divisors (30808741).

1000320031211 is an equidigital number, since it uses as much as digits as its factorization.

1000320031211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30808740.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1000320031211 its reverse (1121300230001), we get a palindrome (2121620261212).

The spelling of 1000320031211 in words is "one trillion, three hundred twenty million, thirty-one thousand, two hundred eleven".

Divisors: 1 32503 30776237 1000320031211