331050081 has 8 divisors (see below), whose sum is σ = 441948960. Its totient is φ = 220425632.

The previous prime is 331050059. The next prime is 331050089. The reversal of 331050081 is 180050133.

It is a happy number.

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 331050081 - 2⁹ = 331049569 is a prime.

It is a super-2 number, since 2×331050081² = 219188312260213122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331050089) 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, 65775 + ... + 70628.

It is an arithmetic number, because the mean of its divisors is an integer number (55243620).

Almost surely, 2^331050081 is an apocalyptic number.

It is an amenable number.

331050081 is a deficient number, since it is larger than the sum of its proper divisors (110898879).

331050081 is a wasteful number, since it uses less digits than its factorization.

331050081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137215.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 331050081 is about 18194.7816969592. The cubic root of 331050081 is about 691.7745271251.

The spelling of 331050081 in words is "three hundred thirty-one million, fifty thousand, eighty-one".