331242033 has 8 divisors (see below), whose sum is σ = 442682496. Its totient is φ = 220314800.

The previous prime is 331242013. The next prime is 331242047. The reversal of 331242033 is 330242133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 331242033 - 2⁵ = 331242001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331242013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126798 + ... + 129383.

It is an arithmetic number, because the mean of its divisors is an integer number (55335312).

Almost surely, 2^331242033 is an apocalyptic number.

It is an amenable number.

331242033 is a deficient number, since it is larger than the sum of its proper divisors (111440463).

331242033 is a wasteful number, since it uses less digits than its factorization.

331242033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256615.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 331242033 is about 18200.0558515627. The cubic root of 331242033 is about 691.9082046312.

Adding to 331242033 its reverse (330242133), we get a palindrome (661484166).

The spelling of 331242033 in words is "three hundred thirty-one million, two hundred forty-two thousand, thirty-three".