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31333241343 = 3234051112097
BaseRepresentation
bin11101001011100110…
…110101000111111111
32222212200000120200010
4131023212311013333
51003132302210333
622221100034303
72156316104565
oct351346650777
988780016603
1031333241343
1112319885a88
1260a5532993
132c5466b4c1
14173353da35
15c35bd3563
hex74b9b51ff

31333241343 has 16 divisors (see below), whose sum is σ = 43605225216. Its totient is φ = 19975507200.

The previous prime is 31333241341. The next prime is 31333241347. The reversal of 31333241343 is 34314233313.

It is not a de Polignac number, because 31333241343 - 21 = 31333241341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31333241343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31333241341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223471 + ... + 335567.

It is an arithmetic number, because the mean of its divisors is an integer number (2725326576).

Almost surely, 231333241343 is an apocalyptic number.

31333241343 is a deficient number, since it is larger than the sum of its proper divisors (12271983873).

31333241343 is a wasteful number, since it uses less digits than its factorization.

31333241343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116174.

The product of its digits is 23328, while the sum is 30.

Adding to 31333241343 its reverse (34314233313), we get a palindrome (65647474656).

The spelling of 31333241343 in words is "thirty-one billion, three hundred thirty-three million, two hundred forty-one thousand, three hundred forty-three".

Divisors: 1 3 23 69 4051 12153 93173 112097 279519 336291 2578231 7734693 454104947 1362314841 10444413781 31333241343