331045740 has 72 divisors (see below), whose sum is σ = 1057034160. Its totient is φ = 83631744.

The previous prime is 331045723. The next prime is 331045763. The reversal of 331045740 is 47540133.

331045740 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

331045740 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44979 + ... + 51818.

It is an arithmetic number, because the mean of its divisors is an integer number (14681030).

Almost surely, 2^331045740 is an apocalyptic number.

331045740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331045740 is an abundant number, since it is smaller than the sum of its proper divisors (725988420).

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

331045740 is a wasteful number, since it uses less digits than its factorization.

331045740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96831 (or 96826 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 331045740 is about 18194.6624041228. The cubic root of 331045740 is about 691.7715034070.

Adding to 331045740 its reverse (47540133), we get a palindrome (378585873).

The spelling of 331045740 in words is "three hundred thirty-one million, forty-five thousand, seven hundred forty".