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1061312343 = 371361101631
BaseRepresentation
bin111111010000100…
…101011101010111
32201222001020211120
4333100211131113
54133143443333
6253151335023
735205002040
oct7720453527
92658036746
101061312343
114a50a0743
12257521473
1313bb56590
14a0d4b8c7
1563292db3
hex3f425757

1061312343 has 64 divisors (see below), whose sum is σ = 1790552064. Its totient is φ = 544320000.

The previous prime is 1061312341. The next prime is 1061312381. The reversal of 1061312343 is 3432131601.

It is a happy number.

It is not a de Polignac number, because 1061312343 - 21 = 1061312341 is a prime.

It is a super-2 number, since 2×10613123432 = 2252767778808299298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061312341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1681638 + ... + 1682268.

It is an arithmetic number, because the mean of its divisors is an integer number (27977376).

Almost surely, 21061312343 is an apocalyptic number.

1061312343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1061312343 is a deficient number, since it is larger than the sum of its proper divisors (729239721).

1061312343 is a wasteful number, since it uses less digits than its factorization.

1061312343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1061312343 is about 32577.7891054626. The cubic root of 1061312343 is about 1020.0334293158.

Adding to 1061312343 its reverse (3432131601), we get a palindrome (4493443944).

The spelling of 1061312343 in words is "one billion, sixty-one million, three hundred twelve thousand, three hundred forty-three".

Divisors: 1 3 7 13 21 39 61 91 101 183 273 303 427 631 707 793 1281 1313 1893 2121 2379 3939 4417 5551 6161 8203 9191 13251 16653 18483 24609 27573 38491 43127 57421 63731 80093 115473 129381 172263 191193 240279 269437 446117 500383 560651 808311 828503 1338351 1501149 1681953 2485509 3502681 3887591 5799521 10508043 11662773 17398563 27213137 50538683 81639411 151616049 353770781 1061312343