331032241 has 4 divisors (see below), whose sum is σ = 331078500. Its totient is φ = 330985984.

The previous prime is 331032239. The next prime is 331032259. The reversal of 331032241 is 142230133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142230133 = 5849 ⋅24317.

It can be written as a sum of positive squares in 2 ways, for example, as 2371600 + 328660641 = 1540^2 + 18129^2 .

It is a cyclic number.

It is not a de Polignac number, because 331032241 - 2¹ = 331032239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331032841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9856 + ... + 27553.

It is an arithmetic number, because the mean of its divisors is an integer number (82769625).

Almost surely, 2^331032241 is an apocalyptic number.

It is an amenable number.

331032241 is a deficient number, since it is larger than the sum of its proper divisors (46259).

331032241 is an equidigital number, since it uses as much as digits as its factorization.

331032241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46258.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 331032241 is about 18194.2914398995. The cubic root of 331032241 is about 691.7621005267.

Adding to 331032241 its reverse (142230133), we get a palindrome (473262374).

It can be divided in two parts, 33103 and 2241, that added together give a square (35344 = 188²).

The spelling of 331032241 in words is "three hundred thirty-one million, thirty-two thousand, two hundred forty-one".