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131231314 = 2304121577
BaseRepresentation
bin1111101001001…
…10111001010010
3100010221020112001
413310212321102
5232043400224
621004424214
73152306404
oct764467122
9303836461
10131231314
1168093035
1237b4806a
132125a086
1413600b74
15b7c3544
hex7d26e52

131231314 has 8 divisors (see below), whose sum is σ = 196920828. Its totient is φ = 65591040.

The previous prime is 131231299. The next prime is 131231323. The reversal of 131231314 is 413132131.

It can be written as a sum of positive squares in 2 ways, for example, as 99500625 + 31730689 = 9975^2 + 5633^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 131231291 and 131231300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4707 + ... + 16870.

Almost surely, 2131231314 is an apocalyptic number.

131231314 is a deficient number, since it is larger than the sum of its proper divisors (65689514).

131231314 is a wasteful number, since it uses less digits than its factorization.

131231314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24620.

The product of its digits is 216, while the sum is 19.

The square root of 131231314 is about 11455.6236844617. The cubic root of 131231314 is about 508.1740599519.

Adding to 131231314 its reverse (413132131), we get a palindrome (544363445).

The spelling of 131231314 in words is "one hundred thirty-one million, two hundred thirty-one thousand, three hundred fourteen".

Divisors: 1 2 3041 6082 21577 43154 65615657 131231314