331980307 has 8 divisors (see below), whose sum is σ = 334546880. Its totient is φ = 329420520.

The previous prime is 331980289. The next prime is 331980343. The reversal of 331980307 is 703089133.

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 331980307 - 2¹¹ = 331978259 is a prime.

It is a super-3 number, since 3×331980307³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331980707) 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, 138832 + ... + 141202.

It is an arithmetic number, because the mean of its divisors is an integer number (41818360).

Almost surely, 2^331980307 is an apocalyptic number.

331980307 is a deficient number, since it is larger than the sum of its proper divisors (2566573).

331980307 is a wasteful number, since it uses less digits than its factorization.

331980307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 331980307 is about 18220.3267533818. The cubic root of 331980307 is about 692.4218660950.

The spelling of 331980307 in words is "three hundred thirty-one million, nine hundred eighty thousand, three hundred seven".