331473 has 4 divisors (see below), whose sum is σ = 441968. Its totient is φ = 220980.

The previous prime is 331451. The next prime is 331489. The reversal of 331473 is 374133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 331473 - 2⁸ = 331217 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 331473.

It is not an unprimeable number, because it can be changed into a prime (331423) 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, 55243 + ... + 55248.

It is an arithmetic number, because the mean of its divisors is an integer number (110492).

2³³¹⁴⁷³ is an apocalyptic number.

It is an amenable number.

331473 is a deficient number, since it is larger than the sum of its proper divisors (110495).

331473 is a wasteful number, since it uses less digits than its factorization.

331473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110494.

The product of its digits is 756, while the sum is 21.

The square root of 331473 is about 575.7369190872. The cubic root of 331473 is about 69.2068984179.

The spelling of 331473 in words is "three hundred thirty-one thousand, four hundred seventy-three".