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31422023330140 = 22512491522782609
BaseRepresentation
bin1110010010100000000101…
…00010011110100101011100
311010020220201211110122101001
413021100002202132211130
513104304300433031030
6150455024522200044
76422111013303652
oct711200242364534
9133226654418331
1031422023330140
11a015006aaa233
123635970053024
13146c112976201
147a8b9688add2
1539755b624cca
hex1c940289e95c

31422023330140 has 48 divisors (see below), whose sum is σ = 66044216700000. Its totient is φ = 12557769449472.

The previous prime is 31422023330069. The next prime is 31422023330179. The reversal of 31422023330140 is 4103332022413.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31422023330099 and 31422023330108.

It is a congruent number.

It is an unprimeable number.

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, 380329156 + ... + 380411764.

It is an arithmetic number, because the mean of its divisors is an integer number (1375921181250).

Almost surely, 231422023330140 is an apocalyptic number.

It is an amenable number.

31422023330140 is an abundant number, since it is smaller than the sum of its proper divisors (34622193369860).

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

31422023330140 is a wasteful number, since it uses less digits than its factorization.

31422023330140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99094 (or 99092 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 31422023330140 its reverse (4103332022413), we get a palindrome (35525355352553).

The spelling of 31422023330140 in words is "thirty-one trillion, four hundred twenty-two billion, twenty-three million, three hundred thirty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 1249 2498 4996 6245 12490 15227 24980 30454 60908 76135 82609 152270 165218 304540 330436 413045 826090 1652180 19018523 38037046 76074092 95092615 103178641 190185230 206357282 380370460 412714564 515893205 1031786410 1257887243 2063572820 2515774486 5031548972 6289436215 12578872430 25157744860 1571101166507 3142202333014 6284404666028 7855505832535 15711011665070 31422023330140