331333212112985 has 4 divisors (see below), whose sum is σ = 397599854535588. Its totient is φ = 265066569690384.

The previous prime is 331333212112979. The next prime is 331333212112997. The reversal of 331333212112985 is 589211212333133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 97923750383449 + 233409461729536 = 9895643^2 + 15277744^2 .

It is a cyclic number.

It is not a de Polignac number, because 331333212112985 - 2³⁰ = 331332138371161 is a prime.

It is a super-2 number, since 2×331333212112985² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33133321211294 + ... + 33133321211303.

It is an arithmetic number, because the mean of its divisors is an integer number (99399963633897).

Almost surely, 2^{331333212112985} is an apocalyptic number.

It is an amenable number.

331333212112985 is a deficient number, since it is larger than the sum of its proper divisors (66266642422603).

331333212112985 is an equidigital number, since it uses as much as digits as its factorization.

331333212112985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66266642422602.

The product of its digits is 699840, while the sum is 47.

The spelling of 331333212112985 in words is "three hundred thirty-one trillion, three hundred thirty-three billion, two hundred twelve million, one hundred twelve thousand, nine hundred eighty-five".