1031330110103 has 4 divisors (see below), whose sum is σ = 1031372682720. Its totient is φ = 1031287537488.

The previous prime is 1031330110067. The next prime is 1031330110117. The reversal of 1031330110103 is 3010110331301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1031330110103 - 2⁸ = 1031330109847 is a prime.

It is a super-2 number, since 2×1031330110103² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031330110123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21249950 + ... + 21298427.

It is an arithmetic number, because the mean of its divisors is an integer number (257843170680).

Almost surely, 2^{1031330110103} is an apocalyptic number.

1031330110103 is a deficient number, since it is larger than the sum of its proper divisors (42572617).

1031330110103 is an equidigital number, since it uses as much as digits as its factorization.

1031330110103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42572616.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 1031330110103 its reverse (3010110331301), we get a palindrome (4041440441404).

The spelling of 1031330110103 in words is "one trillion, thirty-one billion, three hundred thirty million, one hundred ten thousand, one hundred three".