331000473 has 8 divisors (see below), whose sum is σ = 442487808. Its totient is φ = 220090064.

The previous prime is 331000471. The next prime is 331000487. The reversal of 331000473 is 374000133.

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 331000473 - 2¹ = 331000471 is a prime.

It is a super-2 number, since 2×331000473² = 219122626252447458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331000471) 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, 142890 + ... + 145187.

It is an arithmetic number, because the mean of its divisors is an integer number (55310976).

Almost surely, 2^331000473 is an apocalyptic number.

It is an amenable number.

331000473 is a deficient number, since it is larger than the sum of its proper divisors (111487335).

331000473 is a wasteful number, since it uses less digits than its factorization.

331000473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288463.

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

The square root of 331000473 is about 18193.4183978712. The cubic root of 331000473 is about 691.7399711601.

The spelling of 331000473 in words is "three hundred thirty-one million, four hundred seventy-three", and thus it is an aban number.