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1042342131 = 317163125387
BaseRepresentation
bin111110001000001…
…110000011110011
32200122100110121010
4332020032003303
54113314422011
6251233002003
734554522225
oct7610160363
92618313533
101042342131
11495414086
122510b3303
13137c43abc
149c610415
15617971a6
hex3e20e0f3

1042342131 has 16 divisors (see below), whose sum is σ = 1480581504. Its totient is φ = 650001024.

The previous prime is 1042342121. The next prime is 1042342153. The reversal of 1042342131 is 1312432401.

1042342131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1042342131 - 27 = 1042342003 is a prime.

It is a super-2 number, since 2×10423421312 = 2172954236115242322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1042342098 and 1042342107.

It is not an unprimeable number, because it can be changed into a prime (1042342121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54381 + ... + 71006.

It is an arithmetic number, because the mean of its divisors is an integer number (92536344).

Almost surely, 21042342131 is an apocalyptic number.

1042342131 is a deficient number, since it is larger than the sum of its proper divisors (438239373).

1042342131 is a wasteful number, since it uses less digits than its factorization.

1042342131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125570.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1042342131 is about 32285.3237710264. The cubic root of 1042342131 is about 1013.9193951465.

Adding to 1042342131 its reverse (1312432401), we get a palindrome (2354774532).

The spelling of 1042342131 in words is "one billion, forty-two million, three hundred forty-two thousand, one hundred thirty-one".

Divisors: 1 3 17 51 163 489 2771 8313 125387 376161 2131579 6394737 20438081 61314243 347447377 1042342131