131545011 has 16 divisors (see below), whose sum is σ = 189163520. Its totient is φ = 80831520.

The previous prime is 131545003. The next prime is 131545021. The reversal of 131545011 is 110545131.

It is a happy number.

It is not a de Polignac number, because 131545011 - 2³ = 131545003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131545021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29550 + ... + 33708.

It is an arithmetic number, because the mean of its divisors is an integer number (11822720).

Almost surely, 2^131545011 is an apocalyptic number.

131545011 is a deficient number, since it is larger than the sum of its proper divisors (57618509).

131545011 is a wasteful number, since it uses less digits than its factorization.

131545011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 131545011 is about 11469.3073461304. The cubic root of 131545011 is about 508.5786529843.

The spelling of 131545011 in words is "one hundred thirty-one million, five hundred forty-five thousand, eleven".