Search a number
-
+
31210130351004 = 223116134911106223
BaseRepresentation
bin1110001100010101011001…
…01110111010001110011100
311002111122210122110000112220
413012022230232322032130
513042321321332213004
6150213422544225340
76400600060556253
oct706125456721634
9132448718400486
1031210130351004
119a43161a33860
12360089560b250
131455144723897
1479c81508979a
15391ca901edd9
hex1c62acbba39c

31210130351004 has 96 divisors (see below), whose sum is σ = 80977700428800. Its totient is φ = 9275916614400.

The previous prime is 31210130350921. The next prime is 31210130351011. The reversal of 31210130351004 is 40015303101213.

It is a super-2 number, since 2×312101303510042 (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, 2742964 + ... + 8363259.

It is an arithmetic number, because the mean of its divisors is an integer number (843517712800).

Almost surely, 231210130351004 is an apocalyptic number.

It is an amenable number.

31210130351004 is an abundant number, since it is smaller than the sum of its proper divisors (49767570077796).

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

31210130351004 is a wasteful number, since it uses less digits than its factorization.

31210130351004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11106651 (or 11106649 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 31210130351004 its reverse (40015303101213), we get a palindrome (71225433452217).

The spelling of 31210130351004 in words is "thirty-one trillion, two hundred ten billion, one hundred thirty million, three hundred fifty-one thousand, four".

Divisors: 1 2 3 4 6 11 12 22 33 44 61 66 122 132 183 244 349 366 671 698 732 1047 1342 1396 2013 2094 2684 3839 4026 4188 7678 8052 11517 15356 21289 23034 42578 46068 63867 85156 127734 234179 255468 468358 702537 936716 1405074 2810148 11106223 22212446 33318669 44424892 66637338 122168453 133274676 244336906 366505359 488673812 677479603 733010718 1354959206 1466021436 2032438809 2709918412 3876071827 4064877618 7452275633 7752143654 8129755236 11628215481 14904551266 15504287308 22356826899 23256430962 29809102532 42636790097 44713653798 46512861924 85273580194 89427307596 127910370291 170547160388 236440381447 255820740582 472880762894 511641481164 709321144341 945761525788 1418642288682 2600844195917 2837284577364 5201688391834 7802532587751 10403376783668 15605065175502 31210130351004