235533021313 has 16 divisors (see below), whose sum is σ = 246547906560. Its totient is φ = 224829830736.

The previous prime is 235533021293. The next prime is 235533021337. The reversal of 235533021313 is 313120335532.

235533021313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235533021313 is a prime.

It is a super-2 number, since 2×235533021313² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235563021313) 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, 17770 + ... + 686572.

It is an arithmetic number, because the mean of its divisors is an integer number (15409244160).

Almost surely, 2^235533021313 is an apocalyptic number.

It is an amenable number.

235533021313 is a deficient number, since it is larger than the sum of its proper divisors (11014885247).

235533021313 is a wasteful number, since it uses less digits than its factorization.

235533021313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669036.

The product of its (nonzero) digits is 24300, while the sum is 31.

Adding to 235533021313 its reverse (313120335532), we get a palindrome (548653356845).

The spelling of 235533021313 in words is "two hundred thirty-five billion, five hundred thirty-three million, twenty-one thousand, three hundred thirteen".