Search a number
-
+
31103130123310 = 2572979193946063
BaseRepresentation
bin1110001001001110000110…
…00001011011110000101110
311002010102121121122021011211
413010213003001123300232
513034043202302421220
6150052325234105034
76360061362622540
oct704470301336056
9132112547567154
1031103130123310
119a01844109013
1235a3bb341b17a
13144802185b69b
1479758444d690
1538e0e5473b5a
hex1c49c305bc2e

31103130123310 has 64 divisors (see below), whose sum is σ = 67027759718400. Its totient is φ = 10165876785792.

The previous prime is 31103130123287. The next prime is 31103130123337. The reversal of 31103130123310 is 1332103130113.

It is a super-2 number, since 2×311031301233102 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96812662 + ... + 97133401.

It is an arithmetic number, because the mean of its divisors is an integer number (1047308745600).

Almost surely, 231103130123310 is an apocalyptic number.

31103130123310 is an abundant number, since it is smaller than the sum of its proper divisors (35924629595090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31103130123310 is a wasteful number, since it uses less digits than its factorization.

31103130123310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193946185.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 31103130123310 its reverse (1332103130113), we get a palindrome (32435233253423).

The spelling of 31103130123310 in words is "thirty-one trillion, one hundred three billion, one hundred thirty million, one hundred twenty-three thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 29 35 58 70 79 145 158 203 290 395 406 553 790 1015 1106 2030 2291 2765 4582 5530 11455 16037 22910 32074 80185 160370 193946063 387892126 969730315 1357622441 1939460630 2715244882 5624435827 6788112205 11248871654 13576224410 15321738977 28122179135 30643477954 39371050789 56244358270 76608694885 78742101578 107252172839 153217389770 196855253945 214504345678 393710507890 444330430333 536260864195 888660860666 1072521728390 2221652151665 3110313012331 4443304303330 6220626024662 15551565061655 31103130123310