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2313322021 = 31257293991
BaseRepresentation
bin1000100111100010…
…0111111000100101
312222012220221020101
42021320213320211
514214202301041
61021314304101
7111216625033
oct21170477045
95865827211
102313322021
11a878a008a
12546888031
132ab35aaca
1417d339553
15d8153b31
hex89e27e25

2313322021 has 16 divisors (see below), whose sum is σ = 2407845888. Its totient is φ = 2220134400.

The previous prime is 2313322019. The next prime is 2313322027. The reversal of 2313322021 is 1202233132.

2313322021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2313322021 - 21 = 2313322019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2313322021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313322027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2333836 + ... + 2334826.

It is an arithmetic number, because the mean of its divisors is an integer number (150490368).

Almost surely, 22313322021 is an apocalyptic number.

It is an amenable number.

2313322021 is a deficient number, since it is larger than the sum of its proper divisors (94523867).

2313322021 is a wasteful number, since it uses less digits than its factorization.

2313322021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2313322021 is about 48097.0063621427. The cubic root of 2313322021 is about 1322.5497893284.

Adding to 2313322021 its reverse (1202233132), we get a palindrome (3515555153).

Subtracting from 2313322021 its reverse (1202233132), we obtain a square (1111088889 = 333332).

It can be divided in two parts, 23133 and 22021, that added together give a palindrome (45154).

The spelling of 2313322021 in words is "two billion, three hundred thirteen million, three hundred twenty-two thousand, twenty-one".

Divisors: 1 31 257 293 991 7967 9083 30721 75301 254687 290363 2334331 7895297 9001253 74623291 2313322021