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131140330 = 2513114033
BaseRepresentation
bin1111101000100…
…00101011101010
3100010202121201021
413310100223222
5232032442310
621002443054
73151450216
oct764205352
9303677637
10131140330
1168030742
1237b0348a
1321227839
14135b9946
15b7a65da
hex7d10aea

131140330 has 8 divisors (see below), whose sum is σ = 236052612. Its totient is φ = 52456128.

The previous prime is 131140309. The next prime is 131140333. The reversal of 131140330 is 33041131.

It can be written as a sum of positive squares in 2 ways, for example, as 130576329 + 564001 = 11427^2 + 751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (131140333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6557007 + ... + 6557026.

Almost surely, 2131140330 is an apocalyptic number.

131140330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131140330 is a deficient number, since it is larger than the sum of its proper divisors (104912282).

131140330 is a wasteful number, since it uses less digits than its factorization.

131140330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13114040.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 131140330 is about 11451.6518459129. The cubic root of 131140330 is about 508.0565920585.

Adding to 131140330 its reverse (33041131), we get a palindrome (164181461).

The spelling of 131140330 in words is "one hundred thirty-one million, one hundred forty thousand, three hundred thirty".

Divisors: 1 2 5 10 13114033 26228066 65570165 131140330