1031303312 has 20 divisors (see below), whose sum is σ = 2151854460. Its totient is φ = 475986048.

The previous prime is 1031303297. The next prime is 1031303333. The reversal of 1031303312 is 2133031301.

It can be written as a sum of positive squares in 2 ways, for example, as 55115776 + 976187536 = 7424^2 + 31244^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2478887 + ... + 2479302.

It is an arithmetic number, because the mean of its divisors is an integer number (107592723).

Almost surely, 2^1031303312 is an apocalyptic number.

It is an amenable number.

1031303312 is an abundant number, since it is smaller than the sum of its proper divisors (1120551148).

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

1031303312 is a wasteful number, since it uses less digits than its factorization.

1031303312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4958210 (or 4958204 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1031303312 is about 32113.9115026494. The cubic root of 1031303312 is about 1010.3274146808.

Adding to 1031303312 its reverse (2133031301), we get a palindrome (3164334613).

The spelling of 1031303312 in words is "one billion, thirty-one million, three hundred three thousand, three hundred twelve".