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1031031131232 = 25310739907617
BaseRepresentation
bin11110000000011100011…
…11101000110001100000
310122120021022222012222210
433000032033220301200
5113343022432144412
62105352115202120
7134326625005254
oct17001617506140
93576238865883
101031031131232
113682922160a3
121479a22a6340
13762c217a95b
1437c8b7c4264
151bc45b7083c
hexf00e3e8c60

1031031131232 has 24 divisors (see below), whose sum is σ = 2706456719736. Its totient is φ = 343677043712.

The previous prime is 1031031131227. The next prime is 1031031131257. The reversal of 1031031131232 is 2321311301301.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 1031031131199 and 1031031131208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5369953713 + ... + 5369953904.

It is an arithmetic number, because the mean of its divisors is an integer number (112769029989).

Almost surely, 21031031131232 is an apocalyptic number.

1031031131232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031031131232 is an abundant number, since it is smaller than the sum of its proper divisors (1675425588504).

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

1031031131232 is a wasteful number, since it uses less digits than its factorization.

1031031131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10739907630 (or 10739907622 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1031031131232 its reverse (2321311301301), we get a palindrome (3352342432533).

The spelling of 1031031131232 in words is "one trillion, thirty-one billion, thirty-one million, one hundred thirty-one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 10739907617 21479815234 32219722851 42959630468 64439445702 85919260936 128878891404 171838521872 257757782808 343677043744 515515565616 1031031131232