131006533 has 8 divisors (see below), whose sum is σ = 150550400. Its totient is φ = 111669840.

The previous prime is 131006489. The next prime is 131006567. The reversal of 131006533 is 335600131.

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

It is a cyclic number.

It is not a de Polignac number, because 131006533 - 2²¹ = 128909381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131006333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50433 + ... + 52966.

It is an arithmetic number, because the mean of its divisors is an integer number (18818800).

Almost surely, 2^131006533 is an apocalyptic number.

It is an amenable number.

131006533 is a deficient number, since it is larger than the sum of its proper divisors (19543867).

131006533 is a wasteful number, since it uses less digits than its factorization.

131006533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103587.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 131006533 is about 11445.8085341316. The cubic root of 131006533 is about 507.8837502922.

Adding to 131006533 its reverse (335600131), we get a palindrome (466606664).

The spelling of 131006533 in words is "one hundred thirty-one million, six thousand, five hundred thirty-three".