131552343 has 40 divisors (see below), whose sum is σ = 212874816. Its totient is φ = 80481600.

The previous prime is 131552339. The next prime is 131552347. The reversal of 131552343 is 343255131.

131552343 is a `hidden beast` number, since 1 + 315 + 5 + 2 + 343 = 666.

It is an interprime number because it is at equal distance from previous prime (131552339) and next prime (131552347).

It is not a de Polignac number, because 131552343 - 2² = 131552339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131552347) 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 39 ways as a sum of consecutive naturals, for example, 285133 + ... + 285593.

Almost surely, 2^131552343 is an apocalyptic number.

131552343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131552343 is a deficient number, since it is larger than the sum of its proper divisors (81322473).

131552343 is a wasteful number, since it uses less digits than its factorization.

131552343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 748 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 131552343 is about 11469.6269773694. The cubic root of 131552343 is about 508.5881017891.

The spelling of 131552343 in words is "one hundred thirty-one million, five hundred fifty-two thousand, three hundred forty-three".