331090748 has 24 divisors (see below), whose sum is σ = 592886784. Its totient is φ = 161708400.

The previous prime is 331090741. The next prime is 331090783. The reversal of 331090748 is 847090133.

It is a super-2 number, since 2×331090748² = 219242166822399008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331090741) 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, 117233 + ... + 120023.

It is an arithmetic number, because the mean of its divisors is an integer number (24703616).

Almost surely, 2^331090748 is an apocalyptic number.

It is an amenable number.

331090748 is a deficient number, since it is larger than the sum of its proper divisors (261796036).

331090748 is a wasteful number, since it uses less digits than its factorization.

331090748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473 (or 3471 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 331090748 is about 18195.8992083381. The cubic root of 331090748 is about 691.8028523891.

The spelling of 331090748 in words is "three hundred thirty-one million, ninety thousand, seven hundred forty-eight".