1031000020303 has 16 divisors (see below), whose sum is σ = 1134242078112. Its totient is φ = 929377152000.

The previous prime is 1031000020291. The next prime is 1031000020313. The reversal of 1031000020303 is 3030200001301.

1031000020303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-1031000020303 is a prime.

It is a super-2 number, since 2×1031000020303² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031000020313) 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, 216888 + ... + 1452253.

It is an arithmetic number, because the mean of its divisors is an integer number (70890129882).

Almost surely, 2^{1031000020303} is an apocalyptic number.

1031000020303 is a deficient number, since it is larger than the sum of its proper divisors (103242057809).

1031000020303 is a wasteful number, since it uses less digits than its factorization.

1031000020303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669626.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 1031000020303 its reverse (3030200001301), we get a palindrome (4061200021604).

The spelling of 1031000020303 in words is "one trillion, thirty-one billion, twenty thousand, three hundred three".