331148 has 6 divisors (see below), whose sum is σ = 579516. Its totient is φ = 165572.

The previous prime is 331147. The next prime is 331153. The reversal of 331148 is 841133.

It is a happy number.

It is a nialpdrome in base 9.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 331148.

It is not an unprimeable number, because it can be changed into a prime (331141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41390 + ... + 41397.

It is an arithmetic number, because the mean of its divisors is an integer number (96586).

2³³¹¹⁴⁸ is an apocalyptic number.

It is an amenable number.

331148 is a deficient number, since it is larger than the sum of its proper divisors (248368).

331148 is a wasteful number, since it uses less digits than its factorization.

331148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82791 (or 82789 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 331148 is about 575.4546029010. The cubic root of 331148 is about 69.1842725460.

The spelling of 331148 in words is "three hundred thirty-one thousand, one hundred forty-eight".