331472307 has 24 divisors (see below), whose sum is σ = 482225776. Its totient is φ = 202341888.

The previous prime is 331472299. The next prime is 331472363. The reversal of 331472307 is 703274133.

It is not a de Polignac number, because 331472307 - 2³ = 331472299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331472107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26913 + ... + 37245.

Almost surely, 2^331472307 is an apocalyptic number.

331472307 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

331472307 is a deficient number, since it is larger than the sum of its proper divisors (150753469).

331472307 is a wasteful number, since it uses less digits than its factorization.

331472307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10407 (or 10390 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 331472307 is about 18206.3809418566. The cubic root of 331472307 is about 692.0685018836.

The spelling of 331472307 in words is "three hundred thirty-one million, four hundred seventy-two thousand, three hundred seven".