1031203313312 has 12 divisors (see below), whose sum is σ = 2030181523146. Its totient is φ = 515601656640.

The previous prime is 1031203313311. The next prime is 1031203313333. The reversal of 1031203313312 is 2133133021301.

It can be written as a sum of positive squares in only one way, i.e., 1030785356176 + 417957136 = 1015276^2 + 20444^2 .

It is not an unprimeable number, because it can be changed into a prime (1031203313311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16112551739 + ... + 16112551802.

Almost surely, 2^{1031203313312} is an apocalyptic number.

It is an amenable number.

1031203313312 is a deficient number, since it is larger than the sum of its proper divisors (998978209834).

1031203313312 is an equidigital number, since it uses as much as digits as its factorization.

1031203313312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32225103551 (or 32225103543 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1031203313312 its reverse (2133133021301), we get a palindrome (3164336334613).

The spelling of 1031203313312 in words is "one trillion, thirty-one billion, two hundred three million, three hundred thirteen thousand, three hundred twelve".