Search a number
-
+
3031020011 = 19159527369
BaseRepresentation
bin1011010010101001…
…1011000111101011
321211020101202210102
42310222123013223
522201420120021
61220433140015
7135053150015
oct26452330753
97736352712
103031020011
111315a28218
127070ba60b
13393c55886
1420a79d1b5
1512b17000b
hexb4a9b1eb

3031020011 has 4 divisors (see below), whose sum is σ = 3190547400. Its totient is φ = 2871492624.

The previous prime is 3031019987. The next prime is 3031020023. The reversal of 3031020011 is 1100201303.

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 3031020011 - 210 = 3031018987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3031019974 and 3031020001.

It is not an unprimeable number, because it can be changed into a prime (3031020211) 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, 79763666 + ... + 79763703.

It is an arithmetic number, because the mean of its divisors is an integer number (797636850).

Almost surely, 23031020011 is an apocalyptic number.

3031020011 is a deficient number, since it is larger than the sum of its proper divisors (159527389).

3031020011 is a wasteful number, since it uses less digits than its factorization.

3031020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159527388.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 3031020011 is about 55054.7001717383. The cubic root of 3031020011 is about 1447.2034901048.

Adding to 3031020011 its reverse (1100201303), we get a palindrome (4131221314).

The spelling of 3031020011 in words is "three billion, thirty-one million, twenty thousand, eleven".

Divisors: 1 19 159527369 3031020011