235122421331 has 16 divisors (see below), whose sum is σ = 272223909888. Its totient is φ = 198903988800.

The previous prime is 235122421327. The next prime is 235122421343. The reversal of 235122421331 is 133124221532.

It is not a de Polignac number, because 235122421331 - 2² = 235122421327 is a prime.

It is a super-2 number, since 2×235122421331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 235122421294 and 235122421303.

It is not an unprimeable number, because it can be changed into a prime (235122421361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371591 + ... + 779951.

It is an arithmetic number, because the mean of its divisors is an integer number (17013994368).

Almost surely, 2^235122421331 is an apocalyptic number.

235122421331 is a deficient number, since it is larger than the sum of its proper divisors (37101488557).

235122421331 is an equidigital number, since it uses as much as digits as its factorization.

235122421331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409442.

The product of its digits is 8640, while the sum is 29.

Adding to 235122421331 its reverse (133124221532), we get a palindrome (368246642863).

The spelling of 235122421331 in words is "two hundred thirty-five billion, one hundred twenty-two million, four hundred twenty-one thousand, three hundred thirty-one".