131083543 has 2 divisors, whose sum is σ = 131083544. Its totient is φ = 131083542.

The previous prime is 131083541. The next prime is 131083573. The reversal of 131083543 is 345380131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131083543 - 2¹ = 131083541 is a prime.

Together with 131083541, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131083541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65541771 + 65541772.

It is an arithmetic number, because the mean of its divisors is an integer number (65541772).

Almost surely, 2^131083543 is an apocalyptic number.

131083543 is a deficient number, since it is larger than the sum of its proper divisors (1).

131083543 is an equidigital number, since it uses as much as digits as its factorization.

131083543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 131083543 is about 11449.1721534790. The cubic root of 131083543 is about 507.9832477891.

The spelling of 131083543 in words is "one hundred thirty-one million, eighty-three thousand, five hundred forty-three".