331081466 has 8 divisors (see below), whose sum is σ = 496817760. Its totient is φ = 165475548.

The previous prime is 331081463. The next prime is 331081483. The reversal of 331081466 is 664180133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×331081466² = 219229874257418312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331081463) 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, 25976 + ... + 36563.

It is an arithmetic number, because the mean of its divisors is an integer number (62102220).

Almost surely, 2^331081466 is an apocalyptic number.

331081466 is a deficient number, since it is larger than the sum of its proper divisors (165736294).

331081466 is a wasteful number, since it uses less digits than its factorization.

331081466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65188.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 331081466 is about 18195.6441490814. The cubic root of 331081466 is about 691.7963875210.

The spelling of 331081466 in words is "three hundred thirty-one million, eighty-one thousand, four hundred sixty-six".