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2331104021 = 7132832451
BaseRepresentation
bin1000101011110001…
…1101001100010101
320000110101100112222
42022330131030111
514233230312041
61023151352125
7111524025431
oct21274351425
96013340488
102331104021
11a96935a54
12550822645
132b1c457bc
141818479c1
15d99b774b
hex8af1d315

2331104021 has 4 divisors (see below), whose sum is σ = 2363936544. Its totient is φ = 2298271500.

The previous prime is 2331103967. The next prime is 2331104023. The reversal of 2331104021 is 1204011332.

2331104021 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2331104021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331104023) 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, 16416155 + ... + 16416296.

It is an arithmetic number, because the mean of its divisors is an integer number (590984136).

Almost surely, 22331104021 is an apocalyptic number.

It is an amenable number.

2331104021 is a deficient number, since it is larger than the sum of its proper divisors (32832523).

2331104021 is an equidigital number, since it uses as much as digits as its factorization.

2331104021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32832522.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2331104021 is about 48281.5080646825. The cubic root of 2331104021 is about 1325.9298603538.

Adding to 2331104021 its reverse (1204011332), we get a palindrome (3535115353).

The spelling of 2331104021 in words is "two billion, three hundred thirty-one million, one hundred four thousand, twenty-one".

Divisors: 1 71 32832451 2331104021