131535433430233 has 12 divisors (see below), whose sum is σ = 159663241290240. Its totient is φ = 107842715606472.

The previous prime is 131535433430209. The next prime is 131535433430243. The reversal of 131535433430233 is 332034334535131.

It is not a de Polignac number, because 131535433430233 - 2⁴⁵ = 96351061341401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131535433430233.

It is not an unprimeable number, because it can be changed into a prime (131535433430243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58356446713 + ... + 58356448966.

It is an arithmetic number, because the mean of its divisors is an integer number (13305270107520).

Almost surely, 2^{131535433430233} is an apocalyptic number.

It is an amenable number.

131535433430233 is a deficient number, since it is larger than the sum of its proper divisors (28127807860007).

131535433430233 is a wasteful number, since it uses less digits than its factorization.

131535433430233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116712895716 (or 116712895709 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 43.

Adding to 131535433430233 its reverse (332034334535131), we get a palindrome (463569767965364).

The spelling of 131535433430233 in words is "one hundred thirty-one trillion, five hundred thirty-five billion, four hundred thirty-three million, four hundred thirty thousand, two hundred thirty-three".