331041231 has 24 divisors (see below), whose sum is σ = 500812416. Its totient is φ = 210315600.

The previous prime is 331041223. The next prime is 331041239. The reversal of 331041231 is 132140133.

It is an interprime number because it is at equal distance from previous prime (331041223) and next prime (331041239).

It is not a de Polignac number, because 331041231 - 2³ = 331041223 is a prime.

It is a super-2 number, since 2×331041231² = 219176593243990722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331041239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55756 + ... + 61406.

It is an arithmetic number, because the mean of its divisors is an integer number (20867184).

Almost surely, 2^331041231 is an apocalyptic number.

331041231 is a deficient number, since it is larger than the sum of its proper divisors (169771185).

331041231 is a wasteful number, since it uses less digits than its factorization.

331041231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5963 (or 5960 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 331041231 is about 18194.5384937349. The cubic root of 331041231 is about 691.7683626408.

Adding to 331041231 its reverse (132140133), we get a palindrome (463181364).

The spelling of 331041231 in words is "three hundred thirty-one million, forty-one thousand, two hundred thirty-one".