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131361039 = 32292691871
BaseRepresentation
bin1111101010001…
…10100100001111
3100011011211110200
413311012210033
5232112023124
621011304543
73153356535
oct765064417
9304154420
10131361039
1168171547
1237bab153
13212a4134
1413636155
15b7ebbc9
hex7d4690f

131361039 has 24 divisors (see below), whose sum is σ = 197121600. Its totient is φ = 84194880.

The previous prime is 131361019. The next prime is 131361059. The reversal of 131361039 is 930163131.

131361039 is a `hidden beast` number, since 1 + 3 + 13 + 610 + 39 = 666.

It is an interprime number because it is at equal distance from previous prime (131361019) and next prime (131361059).

It is not a de Polignac number, because 131361039 - 29 = 131360527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131361019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69274 + ... + 71144.

It is an arithmetic number, because the mean of its divisors is an integer number (8213400).

Almost surely, 2131361039 is an apocalyptic number.

131361039 is a deficient number, since it is larger than the sum of its proper divisors (65760561).

131361039 is a wasteful number, since it uses less digits than its factorization.

131361039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175 (or 2172 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 131361039 is about 11461.2843521134. The cubic root of 131361039 is about 508.3414518337.

The spelling of 131361039 in words is "one hundred thirty-one million, three hundred sixty-one thousand, thirty-nine".

Divisors: 1 3 9 29 87 261 269 807 1871 2421 5613 7801 16839 23403 54259 70209 162777 488331 503299 1509897 4529691 14595671 43787013 131361039