235145331 has 12 divisors (see below), whose sum is σ = 339817608. Its totient is φ = 156688224.

The previous prime is 235145321. The next prime is 235145333. The reversal of 235145331 is 133541532.

It is not a de Polignac number, because 235145331 - 2⁵ = 235145299 is a prime.

It is a super-2 number, since 2×235145331² = 110586653382199122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 235145295 and 235145304.

It is not an unprimeable number, because it can be changed into a prime (235145333) 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, 18736 + ... + 28658.

It is an arithmetic number, because the mean of its divisors is an integer number (28318134).

Almost surely, 2^235145331 is an apocalyptic number.

235145331 is a deficient number, since it is larger than the sum of its proper divisors (104672277).

235145331 is a wasteful number, since it uses less digits than its factorization.

235145331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12562 (or 12559 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 235145331 is about 15334.4491586754. The cubic root of 235145331 is about 617.2277641896.

Adding to 235145331 its reverse (133541532), we get a palindrome (368686863).

The spelling of 235145331 in words is "two hundred thirty-five million, one hundred forty-five thousand, three hundred thirty-one".