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131464323 = 334869049
BaseRepresentation
bin1111101010111…
…11110010000011
3100011101002011000
413311133302003
5232123324243
621013423043
73154266624
oct765376203
9304332130
10131464323
1168232101
123803aa83
132130c153
1413661a4b
15b81c5d3
hex7d5fc83

131464323 has 8 divisors (see below), whose sum is σ = 194762000. Its totient is φ = 87642864.

The previous prime is 131464309. The next prime is 131464387. The reversal of 131464323 is 323464131.

131464323 is a `hidden beast` number, since 1 + 3 + 14 + 643 + 2 + 3 = 666.

It is not a de Polignac number, because 131464323 - 213 = 131456131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4869049 = 131464323 / (1 + 3 + 1 + 4 + 6 + 4 + 3 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131464423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2434498 + ... + 2434551.

It is an arithmetic number, because the mean of its divisors is an integer number (24345250).

Almost surely, 2131464323 is an apocalyptic number.

131464323 is a deficient number, since it is larger than the sum of its proper divisors (63297677).

131464323 is an equidigital number, since it uses as much as digits as its factorization.

131464323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4869058 (or 4869052 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 131464323 is about 11465.7892445309. The cubic root of 131464323 is about 508.4746465374.

The spelling of 131464323 in words is "one hundred thirty-one million, four hundred sixty-four thousand, three hundred twenty-three".

Divisors: 1 3 9 27 4869049 14607147 43821441 131464323