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1001131342 = 2500565671
BaseRepresentation
bin111011101011000…
…000110101001110
32120202210202000121
4323223000311032
54022242200332
6243201415154
733544322161
oct7353006516
92522722017
101001131342
11474126882
1223b33a4ba
1312c545113
1496d63ad8
155cd56797
hex3bac0d4e

1001131342 has 4 divisors (see below), whose sum is σ = 1501697016. Its totient is φ = 500565670.

The previous prime is 1001131283. The next prime is 1001131357. The reversal of 1001131342 is 2431311001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2431311001 = 7347330143.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250282834 + ... + 250282837.

It is an arithmetic number, because the mean of its divisors is an integer number (375424254).

Almost surely, 21001131342 is an apocalyptic number.

1001131342 is a deficient number, since it is larger than the sum of its proper divisors (500565674).

1001131342 is an equidigital number, since it uses as much as digits as its factorization.

1001131342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500565673.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1001131342 is about 31640.6596328206. The cubic root of 1001131342 is about 1000.3769718743.

Adding to 1001131342 its reverse (2431311001), we get a palindrome (3432442343).

The spelling of 1001131342 in words is "one billion, one million, one hundred thirty-one thousand, three hundred forty-two".

Divisors: 1 2 500565671 1001131342