Search a number
-
+
1011041131 = 7912797989
BaseRepresentation
bin111100010000110…
…100001101101011
32121110110012200211
4330100310031223
54032311304011
6244154041551
734024464532
oct7420641553
92543405624
101011041131
11479785191
122427192b7
131316048b9
14983c3319
155db62b21
hex3c43436b

1011041131 has 4 divisors (see below), whose sum is σ = 1023839200. Its totient is φ = 998243064.

The previous prime is 1011041113. The next prime is 1011041137. The reversal of 1011041131 is 1311401101.

It is a happy number.

1011041131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1011041131 - 29 = 1011040619 is a prime.

It is a super-2 number, since 2×10110411312 = 2044408337147518322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011041137) 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, 6398916 + ... + 6399073.

It is an arithmetic number, because the mean of its divisors is an integer number (255959800).

Almost surely, 21011041131 is an apocalyptic number.

1011041131 is a deficient number, since it is larger than the sum of its proper divisors (12798069).

1011041131 is an equidigital number, since it uses as much as digits as its factorization.

1011041131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12798068.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1011041131 is about 31796.8729751842. The cubic root of 1011041131 is about 1003.6669143041. Note that the first 3 decimals are identical.

Adding to 1011041131 its reverse (1311401101), we get a palindrome (2322442232).

The spelling of 1011041131 in words is "one billion, eleven million, forty-one thousand, one hundred thirty-one".

Divisors: 1 79 12797989 1011041131