331741128 has 32 divisors (see below), whose sum is σ = 878139360. Its totient is φ = 104075520.

The previous prime is 331741117. The next prime is 331741133. The reversal of 331741128 is 821147133.

It is a super-2 number, since 2×331741128² = 220104352013424768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331741095 and 331741104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406138 + ... + 406953.

It is an arithmetic number, because the mean of its divisors is an integer number (27441855).

Almost surely, 2^331741128 is an apocalyptic number.

It is an amenable number.

331741128 is an abundant number, since it is smaller than the sum of its proper divisors (546398232).

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

331741128 is a wasteful number, since it uses less digits than its factorization.

331741128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813117 (or 813113 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 331741128 is about 18213.7620496151. The cubic root of 331741128 is about 692.2555383998.

The spelling of 331741128 in words is "three hundred thirty-one million, seven hundred forty-one thousand, one hundred twenty-eight".