331404007085 has 4 divisors (see below), whose sum is σ = 397684808508. Its totient is φ = 265123205664.

The previous prime is 331404007027. The next prime is 331404007091. The reversal of 331404007085 is 580700404133.

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 259581079081 + 71822928004 = 509491^2 + 267998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331404007085 is a prime.

It is a super-3 number, since 3×331404007085³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent 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, 33140400704 + ... + 33140400713.

It is an arithmetic number, because the mean of its divisors is an integer number (99421202127).

Almost surely, 2^331404007085 is an apocalyptic number.

It is an amenable number.

331404007085 is a deficient number, since it is larger than the sum of its proper divisors (66280801423).

331404007085 is an equidigital number, since it uses as much as digits as its factorization.

331404007085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66280801422.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 331404007085 in words is "three hundred thirty-one billion, four hundred four million, seven thousand, eighty-five".