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11304412031 = 111027673821
BaseRepresentation
bin10101000011100101…
…11010001101111111
31002011211020122001002
422201302322031333
5141122412141111
65105420440515
7550063626323
oct124162721577
932154218032
1011304412031
114881056090
1222359a913b
1310b200b703
147934b1983
1546267063b
hex2a1cba37f

11304412031 has 4 divisors (see below), whose sum is σ = 12332085864. Its totient is φ = 10276738200.

The previous prime is 11304412001. The next prime is 11304412033. The reversal of 11304412031 is 13021440311.

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 11304412031 - 222 = 11300217727 is a prime.

It is a super-3 number, since 3×113044120313 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11304411994 and 11304412012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11304412033) 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, 513836900 + ... + 513836921.

It is an arithmetic number, because the mean of its divisors is an integer number (3083021466).

Almost surely, 211304412031 is an apocalyptic number.

11304412031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11304412031 is a deficient number, since it is larger than the sum of its proper divisors (1027673833).

11304412031 is a wasteful number, since it uses less digits than its factorization.

11304412031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027673832.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11304412031 its reverse (13021440311), we get a palindrome (24325852342).

The spelling of 11304412031 in words is "eleven billion, three hundred four million, four hundred twelve thousand, thirty-one".

Divisors: 1 11 1027673821 11304412031