331326473 has 4 divisors (see below), whose sum is σ = 333157188. Its totient is φ = 329495760.

The previous prime is 331326469. The next prime is 331326533. The reversal of 331326473 is 374623133.

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 7038409 + 324288064 = 2653^2 + 18008^2 .

It is a cyclic number.

It is not a de Polignac number, because 331326473 - 2² = 331326469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331326403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915086 + ... + 915447.

It is an arithmetic number, because the mean of its divisors is an integer number (83289297).

Almost surely, 2^331326473 is an apocalyptic number.

It is an amenable number.

331326473 is a deficient number, since it is larger than the sum of its proper divisors (1830715).

331326473 is a wasteful number, since it uses less digits than its factorization.

331326473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830714.

The product of its digits is 27216, while the sum is 32.

The square root of 331326473 is about 18202.3754768437. The cubic root of 331326473 is about 691.9669932301.

The spelling of 331326473 in words is "three hundred thirty-one million, three hundred twenty-six thousand, four hundred seventy-three".