331705080 has 384 divisors, whose sum is σ = 1320883200. Its totient is φ = 70557696.

The previous prime is 331705061. The next prime is 331705081. The reversal of 331705080 is 80507133.

It is a super-2 number, since 2×331705080² = 220056520195612800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331705081) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3419592 + ... + 3419688.

It is an arithmetic number, because the mean of its divisors is an integer number (3439800).

Almost surely, 2^331705080 is an apocalyptic number.

331705080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331705080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660441600).

331705080 is an abundant number, since it is smaller than the sum of its proper divisors (989178120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331705080 is a wasteful number, since it uses less digits than its factorization.

331705080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 331705080 is about 18212.7724413391. The cubic root of 331705080 is about 692.2304632940.

The spelling of 331705080 in words is "three hundred thirty-one million, seven hundred five thousand, eighty".