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131344355 = 526268871
BaseRepresentation
bin1111101010000…
…10011111100011
3100011010222120202
413311002133203
5232111004410
621011055415
73153260102
oct765023743
9304128522
10131344355
116815aa5a
1237ba156b
132129966c
1413630039
15b7e6ca5
hex7d427e3

131344355 has 4 divisors (see below), whose sum is σ = 157613232. Its totient is φ = 105075480.

The previous prime is 131344337. The next prime is 131344379. The reversal of 131344355 is 553443131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 131344355 - 220 = 130295779 is a prime.

It is a Duffinian number.

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, 13134431 + ... + 13134440.

It is an arithmetic number, because the mean of its divisors is an integer number (39403308).

Almost surely, 2131344355 is an apocalyptic number.

131344355 is a deficient number, since it is larger than the sum of its proper divisors (26268877).

131344355 is an equidigital number, since it uses as much as digits as its factorization.

131344355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26268876.

The product of its digits is 10800, while the sum is 29.

The square root of 131344355 is about 11460.5564873613. The cubic root of 131344355 is about 508.3199296534.

Adding to 131344355 its reverse (553443131), we get a palindrome (684787486).

The spelling of 131344355 in words is "one hundred thirty-one million, three hundred forty-four thousand, three hundred fifty-five".

Divisors: 1 5 26268871 131344355