1030312 has 16 divisors (see below), whose sum is σ = 1998900. Its totient is φ = 497280.

The previous prime is 1030307. The next prime is 1030349. The reversal of 1030312 is 2130301.

It can be written as a sum of positive squares in 2 ways, for example, as 1028196 + 2116 = 1014^2 + 46^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1989 + ... + 2452.

2^1030312 is an apocalyptic number.

It is an amenable number.

1030312 is a deficient number, since it is larger than the sum of its proper divisors (968588).

1030312 is a wasteful number, since it uses less digits than its factorization.

1030312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4476 (or 4472 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1030312 is about 1015.0428562381. The cubic root of 1030312 is about 101.0003594406. Note that the first 3 decimals are identical.

Adding to 1030312 its product of nonzero digits (18), we get a triangular number (1030330 = T₁₄₃₅).

Adding to 1030312 its reverse (2130301), we get a palindrome (3160613).

The spelling of 1030312 in words is "one million, thirty thousand, three hundred twelve".