Search a number
-
+
1030011131 = 3203321577
BaseRepresentation
bin111101011001001…
…011100011111011
32122210010222122102
4331121023203323
54102140324011
6250112414015
734344643622
oct7531134373
92583128572
101030011131
11489461676
12248b4730b
13135517256
149ab206b9
156065d73b
hex3d64b8fb

1030011131 has 4 divisors (see below), whose sum is σ = 1030335912. Its totient is φ = 1029686352.

The previous prime is 1030011119. The next prime is 1030011137. The reversal of 1030011131 is 1311100301.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1030011131 is a prime.

It is a super-2 number, since 2×10300111312 = 2121845859967798322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030011137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157586 + ... + 163991.

It is an arithmetic number, because the mean of its divisors is an integer number (257583978).

Almost surely, 21030011131 is an apocalyptic number.

1030011131 is a deficient number, since it is larger than the sum of its proper divisors (324781).

1030011131 is an equidigital number, since it uses as much as digits as its factorization.

1030011131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324780.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 1030011131 is about 32093.7864858605. The cubic root of 1030011131 is about 1009.9052719705.

Adding to 1030011131 its reverse (1311100301), we get a palindrome (2341111432).

The spelling of 1030011131 in words is "one billion, thirty million, eleven thousand, one hundred thirty-one".

Divisors: 1 3203 321577 1030011131