1012310320 has 40 divisors (see below), whose sum is σ = 2689854624. Its totient is φ = 347077632.

The previous prime is 1012310317. The next prime is 1012310353. The reversal of 1012310320 is 230132101.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1012310320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903289 + ... + 904408.

Almost surely, 2^1012310320 is an apocalyptic number.

1012310320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012310320 is an abundant number, since it is smaller than the sum of its proper divisors (1677544304).

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

1012310320 is a wasteful number, since it uses less digits than its factorization.

1012310320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807717 (or 1807711 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1012310320 is about 31816.8244801394. The cubic root of 1012310320 is about 1004.0867160012.

Adding to 1012310320 its reverse (230132101), we get a palindrome (1242442421).

The spelling of 1012310320 in words is "one billion, twelve million, three hundred ten thousand, three hundred twenty".