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31014221366 = 2433011119771
BaseRepresentation
bin11100111000100101…
…110111011000110110
32222001102201200112102
4130320211313120312
51002004120040431
622125302222102
72145363350312
oct347045673066
988042650472
1031014221366
11121757a0607
126016724932
132c0354139b
141703018b42
15c17bb8dcb
hex738977636

31014221366 has 16 divisors (see below), whose sum is σ = 47619430848. Its totient is φ = 15141323400.

The previous prime is 31014221353. The next prime is 31014221383. The reversal of 31014221366 is 66312241013.

It is a Curzon number.

It is a congruent number.

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, 199061 + ... + 318831.

It is an arithmetic number, because the mean of its divisors is an integer number (2976214428).

Almost surely, 231014221366 is an apocalyptic number.

31014221366 is a deficient number, since it is larger than the sum of its proper divisors (16605209482).

31014221366 is a wasteful number, since it uses less digits than its factorization.

31014221366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122827.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 31014221366 its reverse (66312241013), we get a palindrome (97326462379).

The spelling of 31014221366 in words is "thirty-one billion, fourteen million, two hundred twenty-one thousand, three hundred sixty-six".

Divisors: 1 2 43 86 3011 6022 119771 129473 239542 258946 5150153 10300306 360630481 721260962 15507110683 31014221366