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2313031442 = 212743321031
BaseRepresentation
bin1000100111011110…
…0000111100010010
312222012101011122012
42021313200330102
514214114001232
61021304142522
7111214304621
oct21167407422
95865334565
102313031442
11a87711837
12546767a42
132ab288777
1417d2a16b8
15d80e79b2
hex89de0f12

2313031442 has 16 divisors (see below), whose sum is σ = 3505108992. Its totient is φ = 1144704960.

The previous prime is 2313031411. The next prime is 2313031477. The reversal of 2313031442 is 2441303132.

It is a super-2 number, since 2×23130314422 = 10700228903361198728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99467 + ... + 120497.

It is an arithmetic number, because the mean of its divisors is an integer number (219069312).

Almost surely, 22313031442 is an apocalyptic number.

2313031442 is a deficient number, since it is larger than the sum of its proper divisors (1192077550).

2313031442 is a wasteful number, since it uses less digits than its factorization.

2313031442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21593.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2313031442 is about 48093.9855075455. The cubic root of 2313031442 is about 1322.4944113505.

Adding to 2313031442 its reverse (2441303132), we get a palindrome (4754334574).

The spelling of 2313031442 in words is "two billion, three hundred thirteen million, thirty-one thousand, four hundred forty-two".

Divisors: 1 2 127 254 433 866 21031 42062 54991 109982 2670937 5341874 9106423 18212846 1156515721 2313031442