235220535431 has 8 divisors (see below), whose sum is σ = 268841573760. Its totient is φ = 201604023288.

The previous prime is 235220535413. The next prime is 235220535437. The reversal of 235220535431 is 134535022532.

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 235220535431 - 2³⁴ = 218040666247 is a prime.

It is a super-3 number, since 3×235220535431³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 235220535391 and 235220535400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235220535437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019441 + ... + 1228698.

It is an arithmetic number, because the mean of its divisors is an integer number (33605196720).

Almost surely, 2^235220535431 is an apocalyptic number.

235220535431 is a deficient number, since it is larger than the sum of its proper divisors (33621038329).

235220535431 is a wasteful number, since it uses less digits than its factorization.

235220535431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263093.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 235220535431 its reverse (134535022532), we get a palindrome (369755557963).

The spelling of 235220535431 in words is "two hundred thirty-five billion, two hundred twenty million, five hundred thirty-five thousand, four hundred thirty-one".