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2313102021 = 35943330181
BaseRepresentation
bin1000100111011111…
…0010001011000101
312222012111202110020
42021313302023011
514214123231041
61021305445353
7111215020446
oct21167621305
95865452406
102313102021
11a8775a86a
125467a0859
132ab2b1929
1417d2bd2cd
15d810d866
hex89df22c5

2313102021 has 16 divisors (see below), whose sum is σ = 3143757120. Its totient is φ = 1512380160.

The previous prime is 2313102007. The next prime is 2313102049. The reversal of 2313102021 is 1202013132.

2313102021 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2313102021 - 27 = 2313101893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313102091) 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, 61551 + ... + 91731.

It is an arithmetic number, because the mean of its divisors is an integer number (196484820).

Almost surely, 22313102021 is an apocalyptic number.

It is an amenable number.

2313102021 is a deficient number, since it is larger than the sum of its proper divisors (830655099).

2313102021 is a wasteful number, since it uses less digits than its factorization.

2313102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30676.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2313102021 is about 48094.7192631374. The cubic root of 2313102021 is about 1322.5078625848.

Adding to 2313102021 its reverse (1202013132), we get a palindrome (3515115153).

Subtracting from 2313102021 its reverse (1202013132), we obtain a square (1111088889 = 333332).

The spelling of 2313102021 in words is "two billion, three hundred thirteen million, one hundred two thousand, twenty-one".

Divisors: 1 3 59 177 433 1299 25547 30181 76641 90543 1780679 5342037 13068373 39205119 771034007 2313102021