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31412423451420 = 223251115864860329
BaseRepresentation
bin1110010010001110001100…
…10101110110001100011100
311010012222221210121021110100
413021013012111312030130
513104130120400421140
6150450400151341100
76421321064550234
oct711070625661434
9133188853537410
1031412423451420
11a010a30133270
123633b31081790
13146b242b405bb
147a8525920cc4
15397198951530
hex1c91c657631c

31412423451420 has 72 divisors (see below), whose sum is σ = 103946564882160. Its totient is φ = 7615132957440.

The previous prime is 31412423451419. The next prime is 31412423451499. The reversal of 31412423451420 is 2415432421413.

31412423451420 is a `hidden beast` number, since 3 + 1 + 41 + 242 + 345 + 14 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7932428185 + ... + 7932432144.

It is an arithmetic number, because the mean of its divisors is an integer number (1443702290030).

Almost surely, 231412423451420 is an apocalyptic number.

31412423451420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31412423451420 is an abundant number, since it is smaller than the sum of its proper divisors (72534141430740).

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

31412423451420 is a wasteful number, since it uses less digits than its factorization.

31412423451420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15864860355 (or 15864860350 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 31412423451420 its reverse (2415432421413), we get a palindrome (33827855872833).

The spelling of 31412423451420 in words is "thirty-one trillion, four hundred twelve billion, four hundred twenty-three million, four hundred fifty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1980 15864860329 31729720658 47594580987 63459441316 79324301645 95189161974 142783742961 158648603290 174513463619 190378323948 237972904935 285567485922 317297206580 349026927238 475945809870 523540390857 571134971844 698053854476 713918714805 872567318095 951891619740 1047080781714 1427837429610 1570621172571 1745134636190 2094161563428 2617701954285 2855674859220 3141242345142 3490269272380 5235403908570 6282484690284 7853105862855 10470807817140 15706211725710 31412423451420