1303311012 has 48 divisors (see below), whose sum is σ = 3086802432. Its totient is φ = 427944960.

The previous prime is 1303311007. The next prime is 1303311043. The reversal of 1303311012 is 2101133031.

It is a junction number, because it is equal to n+sod(n) for n = 1303310982 and 1303311000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257062 + ... + 262082.

It is an arithmetic number, because the mean of its divisors is an integer number (64308384).

Almost surely, 2^1303311012 is an apocalyptic number.

1303311012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1303311012 is an abundant number, since it is smaller than the sum of its proper divisors (1783491420).

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

1303311012 is a wasteful number, since it uses less digits than its factorization.

1303311012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5348 (or 5346 counting only the distinct ones).

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

The square root of 1303311012 is about 36101.3990310625. The cubic root of 1303311012 is about 1092.3186654684.

Adding to 1303311012 its reverse (2101133031), we get a palindrome (3404444043).

The spelling of 1303311012 in words is "one billion, three hundred three million, three hundred eleven thousand, twelve".