235250311331 has 16 divisors (see below), whose sum is σ = 274668748800. Its totient is φ = 197287526880.

The previous prime is 235250311301. The next prime is 235250311369. The reversal of 235250311331 is 133113052532.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 235250311331 - 2¹⁸ = 235250049187 is a prime.

It is a super-2 number, since 2×235250311331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 235250311294 and 235250311303.

It is not an unprimeable number, because it can be changed into a prime (235250311301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 890270 + ... + 1123868.

It is an arithmetic number, because the mean of its divisors is an integer number (17166796800).

Almost surely, 2^235250311331 is an apocalyptic number.

235250311331 is a deficient number, since it is larger than the sum of its proper divisors (39418437469).

235250311331 is a wasteful number, since it uses less digits than its factorization.

235250311331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236714.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 235250311331 its reverse (133113052532), we get a palindrome (368363363863).

The spelling of 235250311331 in words is "two hundred thirty-five billion, two hundred fifty million, three hundred eleven thousand, three hundred thirty-one".