1030311312 has 80 divisors (see below), whose sum is σ = 2791154688. Its totient is φ = 326874240.

The previous prime is 1030311241. The next prime is 1030311329. The reversal of 1030311312 is 2131130301.

1030311312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1030311312² = 2123082799270322688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1030311291 and 1030311300.

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, 230733 + ... + 235155.

Almost surely, 2^1030311312 is an apocalyptic number.

1030311312 is a gapful number since it is divisible by the number (12) 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 1030311312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1395577344).

1030311312 is an abundant number, since it is smaller than the sum of its proper divisors (1760843376).

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

1030311312 is a wasteful number, since it uses less digits than its factorization.

1030311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4668 (or 4662 counting only the distinct ones).

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

The square root of 1030311312 is about 32098.4627669301. The cubic root of 1030311312 is about 1010.0033695930.

Adding to 1030311312 its reverse (2131130301), we get a palindrome (3161441613).

The spelling of 1030311312 in words is "one billion, thirty million, three hundred eleven thousand, three hundred twelve".