1031303012003 has 16 divisors (see below), whose sum is σ = 1194001689600. Its totient is φ = 880350902400.

The previous prime is 1031303011979. The next prime is 1031303012021. The reversal of 1031303012003 is 3002103031301.

1031303012003 is digitally balanced in base 12, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1031303012003 - 2¹⁸ = 1031302749859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

1031303012003 is strictly pandigital in base 12.

It is not an unprimeable number, because it can be changed into a prime (1031303012063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6317303 + ... + 6478496.

It is an arithmetic number, because the mean of its divisors is an integer number (74625105600).

Almost surely, 2^{1031303012003} is an apocalyptic number.

1031303012003 is a deficient number, since it is larger than the sum of its proper divisors (162698677597).

1031303012003 is a wasteful number, since it uses less digits than its factorization.

1031303012003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12796258.

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

Adding to 1031303012003 its reverse (3002103031301), we get a palindrome (4033406043304).

The spelling of 1031303012003 in words is "one trillion, thirty-one billion, three hundred three million, twelve thousand, three".