1331016 has 32 divisors (see below), whose sum is σ = 3436800. Its totient is φ = 429120.

The previous prime is 1330997. The next prime is 1331023. The reversal of 1331016 is 6101331.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 1330986 and 1331004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151 + ... + 1638.

It is an arithmetic number, because the mean of its divisors is an integer number (107400).

2^1331016 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 1331016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1718400).

1331016 is an abundant number, since it is smaller than the sum of its proper divisors (2105784).

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

1331016 is a wasteful number, since it uses less digits than its factorization.

1331016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829 (or 1825 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1331016 is about 1153.6966672397. The cubic root of 1331016 is about 110.0004407696. Note that the first 3 decimals are identical.

Adding to 1331016 its reverse (6101331), we get a palindrome (7432347).

The spelling of 1331016 in words is "one million, three hundred thirty-one thousand, sixteen".