Search a number
-
+
3112231201 = 8213790781
BaseRepresentation
bin1011100110000000…
…1110000100100001
322000220012201121021
42321200032010201
522333212344301
61232453525441
7140060346232
oct27140160441
98026181537
103112231201
111357856402
1272a343881
133a7a1b331
1421749d089
151333628a1
hexb980e121

3112231201 has 4 divisors (see below), whose sum is σ = 3116022804. Its totient is φ = 3108439600.

The previous prime is 3112231189. The next prime is 3112231231. The reversal of 3112231201 is 1021322113.

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

It can be written as a sum of positive squares in 2 ways, for example, as 478078225 + 2634152976 = 21865^2 + 51324^2 .

It is a cyclic number.

It is not a de Polignac number, because 3112231201 - 25 = 3112231169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3112231231) 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, 1894570 + ... + 1896211.

It is an arithmetic number, because the mean of its divisors is an integer number (779005701).

Almost surely, 23112231201 is an apocalyptic number.

It is an amenable number.

3112231201 is a deficient number, since it is larger than the sum of its proper divisors (3791603).

3112231201 is an equidigital number, since it uses as much as digits as its factorization.

3112231201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791602.

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

The square root of 3112231201 is about 55787.3749247982. The cubic root of 3112231201 is about 1460.0148871003.

Adding to 3112231201 its reverse (1021322113), we get a palindrome (4133553314).

The spelling of 3112231201 in words is "three billion, one hundred twelve million, two hundred thirty-one thousand, two hundred one".

Divisors: 1 821 3790781 3112231201