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31420041311022 = 2372138220837601
BaseRepresentation
bin1110010010011100011000…
…11001101011001100101110
311010020201121200221122021120
413021032030121223030232
513104241221033423042
6150454100120441410
76422010625361400
oct711161431531456
9133221550848246
1031420041311022
11a01418a223a01
1236354b8319266
13146bb88156230
147a8a49552b70
15397492614dec
hex1c938c66b32e

31420041311022 has 48 divisors (see below), whose sum is σ = 78722740876752. Its totient is φ = 8286604300800.

The previous prime is 31420041310997. The next prime is 31420041311039. The reversal of 31420041311022 is 22011314002413.

It is a junction number, because it is equal to n+sod(n) for n = 31420041310983 and 31420041311001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4110414979 + ... + 4110422622.

It is an arithmetic number, because the mean of its divisors is an integer number (1640057101599).

Almost surely, 231420041311022 is an apocalyptic number.

31420041311022 is an abundant number, since it is smaller than the sum of its proper divisors (47302699565730).

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

31420041311022 is a wasteful number, since it uses less digits than its factorization.

31420041311022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8220837633 (or 8220837626 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 31420041311022 its reverse (22011314002413), we get a palindrome (53431355313435).

The spelling of 31420041311022 in words is "thirty-one trillion, four hundred twenty billion, forty-one million, three hundred eleven thousand, twenty-two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 49 78 91 98 147 182 273 294 546 637 1274 1911 3822 8220837601 16441675202 24662512803 49325025606 57545863207 106870888813 115091726414 172637589621 213741777626 320612666439 345275179242 402821042449 641225332878 748096221691 805642084898 1208463127347 1496192443382 2244288665073 2416926254694 4488577330146 5236673551837 10473347103674 15710020655511 31420041311022