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131152343 = 719994151
BaseRepresentation
bin1111101000100…
…11100111010111
3100010210020012012
413310103213113
5232033333333
621003014435
73151530230
oct764234727
9303706165
10131152343
1168039773
1237b0a41b
132123014a
14135c0087
15b7a9e48
hex7d139d7

131152343 has 8 divisors (see below), whose sum is σ = 150643200. Its totient is φ = 111850200.

The previous prime is 131152327. The next prime is 131152423. The reversal of 131152343 is 343251131.

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

It is not a de Polignac number, because 131152343 - 24 = 131152327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131152643) 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, 45683 + ... + 48468.

It is an arithmetic number, because the mean of its divisors is an integer number (18830400).

Almost surely, 2131152343 is an apocalyptic number.

131152343 is a deficient number, since it is larger than the sum of its proper divisors (19490857).

131152343 is an equidigital number, since it uses as much as digits as its factorization.

131152343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94357.

The product of its digits is 1080, while the sum is 23.

The square root of 131152343 is about 11452.1763433856. The cubic root of 131152343 is about 508.0721049509.

The spelling of 131152343 in words is "one hundred thirty-one million, one hundred fifty-two thousand, three hundred forty-three".

Divisors: 1 7 199 1393 94151 659057 18736049 131152343