1031312333103 has 16 divisors (see below), whose sum is σ = 1567968073056. Its totient is φ = 597321169920.

The previous prime is 1031312333041. The next prime is 1031312333119. The reversal of 1031312333103 is 3013332131301.

It is not a de Polignac number, because 1031312333103 - 2⁶ = 1031312333039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031312333123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777761278 + ... + 777762603.

It is an arithmetic number, because the mean of its divisors is an integer number (97998004566).

Almost surely, 2^{1031312333103} is an apocalyptic number.

1031312333103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1031312333103 is a deficient number, since it is larger than the sum of its proper divisors (536655739953).

1031312333103 is a wasteful number, since it uses less digits than its factorization.

1031312333103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555523914.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 1031312333103 its reverse (3013332131301), we get a palindrome (4044644464404).

The spelling of 1031312333103 in words is "one trillion, thirty-one billion, three hundred twelve million, three hundred thirty-three thousand, one hundred three".