331150240 has 96 divisors (see below), whose sum is σ = 832749120. Its totient is φ = 124084224.

The previous prime is 331150231. The next prime is 331150243. The reversal of 331150240 is 42051133.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (331150243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294319 + ... + 295441.

It is an arithmetic number, because the mean of its divisors is an integer number (8674470).

Almost surely, 2^331150240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331150240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416374560).

331150240 is an abundant number, since it is smaller than the sum of its proper divisors (501598880).

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

331150240 is a wasteful number, since it uses less digits than its factorization.

331150240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 331150240 is about 18197.5338988556. The cubic root of 331150240 is about 691.8442854108.

The spelling of 331150240 in words is "three hundred thirty-one million, one hundred fifty thousand, two hundred forty".