Search a number
-
+
31313411341 = 172388390697
BaseRepresentation
bin11101001010011011…
…001011110100001101
32222211021201010000121
4131022123023310031
51003112213130331
622215111024541
72155655414302
oct351233136415
988737633017
1031313411341
1112309671453
12609a96b151
132c50517584
141730a5b0a9
15c340b7c11
hex74a6cbd0d

31313411341 has 16 divisors (see below), whose sum is σ = 34636477824. Its totient is φ = 28157842944.

The previous prime is 31313411309. The next prime is 31313411351. The reversal of 31313411341 is 14311431313.

It is a cyclic number.

It is not a de Polignac number, because 31313411341 - 25 = 31313411309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31313411351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299905 + ... + 390601.

It is an arithmetic number, because the mean of its divisors is an integer number (2164779864).

Almost surely, 231313411341 is an apocalyptic number.

It is an amenable number.

31313411341 is a deficient number, since it is larger than the sum of its proper divisors (3323066483).

31313411341 is a wasteful number, since it uses less digits than its factorization.

31313411341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91620.

The product of its digits is 1296, while the sum is 25.

Adding to 31313411341 its reverse (14311431313), we get a palindrome (45624842654).

The spelling of 31313411341 in words is "thirty-one billion, three hundred thirteen million, four hundred eleven thousand, three hundred forty-one".

Divisors: 1 17 23 391 883 15011 20309 90697 345253 1541849 2086031 35462527 80085451 1361452667 1841965373 31313411341