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1031220303132 = 22385935025261
BaseRepresentation
bin11110000000110011000…
…01010001010100011100
310122120202111221011001110
433000121201101110130
5113343414344200012
62105422553542020
7134334412643655
oct17003141212434
93576674834043
101031220303132
11368379a82808
12147a35714910
13763224134a6
1437ca898852c
151bc5758b73c
hexf01985151c

1031220303132 has 12 divisors (see below), whose sum is σ = 2406180707336. Its totient is φ = 343740101040.

The previous prime is 1031220303097. The next prime is 1031220303247. The reversal of 1031220303132 is 2313030221301.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1031220303099 and 1031220303108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42967512619 + ... + 42967512642.

Almost surely, 21031220303132 is an apocalyptic number.

1031220303132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031220303132 is an abundant number, since it is smaller than the sum of its proper divisors (1374960404204).

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

1031220303132 is a wasteful number, since it uses less digits than its factorization.

1031220303132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85935025268 (or 85935025266 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1031220303132 its reverse (2313030221301), we get a palindrome (3344250524433).

The spelling of 1031220303132 in words is "one trillion, thirty-one billion, two hundred twenty million, three hundred three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 85935025261 171870050522 257805075783 343740101044 515610151566 1031220303132