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131344814 = 265672407
BaseRepresentation
bin1111101010000…
…10100110101110
3100011011000012202
413311002212232
5232111013224
621011101502
73153261326
oct765024656
9304130182
10131344814
1168160337
1237ba1892
1321299933
1413630286
15b7e6eae
hex7d429ae

131344814 has 4 divisors (see below), whose sum is σ = 197017224. Its totient is φ = 65672406.

The previous prime is 131344793. The next prime is 131344859. The reversal of 131344814 is 418443131.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32836202 + ... + 32836205.

It is an arithmetic number, because the mean of its divisors is an integer number (49254306).

Almost surely, 2131344814 is an apocalyptic number.

131344814 is a deficient number, since it is larger than the sum of its proper divisors (65672410).

131344814 is an equidigital number, since it uses as much as digits as its factorization.

131344814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65672409.

The product of its digits is 4608, while the sum is 29.

The square root of 131344814 is about 11460.5765125494. The cubic root of 131344814 is about 508.3205217829.

Adding to 131344814 its reverse (418443131), we get a palindrome (549787945).

The spelling of 131344814 in words is "one hundred thirty-one million, three hundred forty-four thousand, eight hundred fourteen".

Divisors: 1 2 65672407 131344814