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31404404310004 = 22116183140971057
BaseRepresentation
bin1110010001111111010000…
…10111001111111111110100
311010012020020221011200110201
413020333220113033333310
513104012210000410004
6150442552325330244
76420615262145215
oct710775027177764
9133166227150421
1031404404310004
11a008595581670
123632473566984
13146a565657acb
147a7da48b340c
15396d799246a4
hex1c8fe85cfff4

31404404310004 has 48 divisors (see below), whose sum is σ = 61670890685376. Its totient is φ = 13871551910400.

The previous prime is 31404404309987. The next prime is 31404404310031. The reversal of 31404404310004 is 40001340440413.

It is a happy number.

It is a super-2 number, since 2×314044043100042 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70262757 + ... + 70708300.

It is an arithmetic number, because the mean of its divisors is an integer number (1284810222612).

Almost surely, 231404404310004 is an apocalyptic number.

It is an amenable number.

31404404310004 is a deficient number, since it is larger than the sum of its proper divisors (30266486375372).

31404404310004 is a wasteful number, since it uses less digits than its factorization.

31404404310004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140971216 (or 140971214 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 31404404310004 its reverse (40001340440413), we get a palindrome (71405744750417).

The spelling of 31404404310004 in words is "thirty-one trillion, four hundred four billion, four hundred four million, three hundred ten thousand, four".

Divisors: 1 2 4 11 22 44 61 83 122 166 244 332 671 913 1342 1826 2684 3652 5063 10126 20252 55693 111386 222772 140971057 281942114 563884228 1550681627 3101363254 6202726508 8599234477 11700597731 17198468954 23401195462 34396937908 46802390924 94591579247 128706575041 189183158494 257413150082 378366316988 514826300164 713736461591 1427472923182 2854945846364 7851101077501 15702202155002 31404404310004