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11000001031 = 22948034939
BaseRepresentation
bin10100011111010011…
…01011001000000111
31001101121102221122121
422033221223020013
5140012000013111
65015304110411
7536406315565
oct121751531007
931347387577
1011000001031
114735239648
12216ba65407
131063c27c66
14764cb0a35
15445a8e871
hex28fa6b207

11000001031 has 4 divisors (see below), whose sum is σ = 11048036200. Its totient is φ = 10951965864.

The previous prime is 11000001007. The next prime is 11000001053. The reversal of 11000001031 is 13010000011.

It is a happy number.

11000001031 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, and also an emirpimes, since its reverse is a distinct semiprime: 13010000011 = 37799344189.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11000001031 is a prime.

It is a super-2 number, since 2×110000010312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000001071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24017241 + ... + 24017698.

It is an arithmetic number, because the mean of its divisors is an integer number (2762009050).

Almost surely, 211000001031 is an apocalyptic number.

11000001031 is a deficient number, since it is larger than the sum of its proper divisors (48035169).

11000001031 is an equidigital number, since it uses as much as digits as its factorization.

11000001031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48035168.

The product of its (nonzero) digits is 3, while the sum is 7.

Adding to 11000001031 its reverse (13010000011), we get a palindrome (24010001042).

The spelling of 11000001031 in words is "eleven billion, one thousand, thirty-one".

Divisors: 1 229 48034939 11000001031