131233533 has 16 divisors (see below), whose sum is σ = 177059520. Its totient is φ = 86454656.

The previous prime is 131233517. The next prime is 131233537. The reversal of 131233533 is 335332131.

It is a cyclic number.

It is not a de Polignac number, because 131233533 - 2⁴ = 131233517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131233537) 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, 109966 + ... + 111152.

It is an arithmetic number, because the mean of its divisors is an integer number (11066220).

Almost surely, 2^131233533 is an apocalyptic number.

It is an amenable number.

131233533 is a deficient number, since it is larger than the sum of its proper divisors (45825987).

131233533 is a wasteful number, since it uses less digits than its factorization.

131233533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596.

The product of its digits is 2430, while the sum is 24.

The square root of 131233533 is about 11455.7205360466. The cubic root of 131233533 is about 508.1769241867.

Adding to 131233533 its reverse (335332131), we get a palindrome (466565664).

The spelling of 131233533 in words is "one hundred thirty-one million, two hundred thirty-three thousand, five hundred thirty-three".