Search a number
-
+
31103311113130 = 25831071355325841
BaseRepresentation
bin1110001001001110011011…
…10011110110101110101010
311002010110002020012111112111
413010213031303312232222
513034044040121110010
6150052355221232534
76360066021202624
oct704471563665652
9132113066174474
1031103311113130
119a01927297383
1235a4043b6274a
1314480501bac59
147975a04c3c14
1538e1062c558a
hex1c49cdcf6baa

31103311113130 has 64 divisors (see below), whose sum is σ = 57196459974528. Its totient is φ = 12175186186240.

The previous prime is 31103311113107. The next prime is 31103311113131. The reversal of 31103311113130 is 3131111330113.

It is not an unprimeable number, because it can be changed into a prime (31103311113131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1203629010 + ... + 1203654850.

It is an arithmetic number, because the mean of its divisors is an integer number (893694687102).

Almost surely, 231103311113130 is an apocalyptic number.

31103311113130 is a deficient number, since it is larger than the sum of its proper divisors (26093148861398).

31103311113130 is a wasteful number, since it uses less digits than its factorization.

31103311113130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39591.

The product of its (nonzero) digits is 243, while the sum is 22.

Adding to 31103311113130 its reverse (3131111330113), we get a palindrome (34234422443243).

The spelling of 31103311113130 in words is "thirty-one trillion, one hundred three billion, three hundred eleven million, one hundred thirteen thousand, one hundred thirty".

Divisors: 1 2 5 10 83 107 166 214 415 535 830 1070 8881 13553 17762 25841 27106 44405 51682 67765 88810 129205 135530 258410 1124899 1450171 2144803 2249798 2764987 2900342 4289606 5529974 5624495 7250855 10724015 11248990 13824935 14501710 21448030 27649870 120364193 229493921 240728386 350223073 458987842 601820965 700446146 1147469605 1203641930 1751115365 2294939210 3502230730 29068515059 37473868811 58137030118 74947737622 145342575295 187369344055 290685150590 374738688110 3110331111313 6220662222626 15551655556565 31103311113130