1030312000 has 112 divisors (see below), whose sum is σ = 2640147120. Its totient is φ = 397824000.

The previous prime is 1030311973. The next prime is 1030312033. The reversal of 1030312000 is 2130301.

It can be written as a sum of positive squares in 8 ways, for example, as 378224704 + 652087296 = 19448^2 + 25536^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229780 + ... + 234220.

Almost surely, 2^1030312000 is an apocalyptic number.

1030312000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1320073560).

1030312000 is an abundant number, since it is smaller than the sum of its proper divisors (1609835120).

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

1030312000 is an equidigital number, since it uses as much as digits as its factorization.

1030312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497 (or 4477 counting only the distinct ones).

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

The square root of 1030312000 is about 32098.4734839525. The cubic root of 1030312000 is about 1010.0035944061.

Adding to 1030312000 its reverse (2130301), we get a palindrome (1032442301).

The spelling of 1030312000 in words is "one billion, thirty million, three hundred twelve thousand".