1031040342103 has 4 divisors (see below), whose sum is σ = 1075868183088. Its totient is φ = 986212501120.

The previous prime is 1031040342077. The next prime is 1031040342107. The reversal of 1031040342103 is 3012430401301.

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 1031040342103 - 2²⁹ = 1030503471191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031040342107) 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 3 ways as a sum of consecutive naturals, for example, 22413920458 + ... + 22413920503.

It is an arithmetic number, because the mean of its divisors is an integer number (268967045772).

Almost surely, 2^{1031040342103} is an apocalyptic number.

1031040342103 is a deficient number, since it is larger than the sum of its proper divisors (44827840985).

1031040342103 is an equidigital number, since it uses as much as digits as its factorization.

1031040342103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44827840984.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1031040342103 its reverse (3012430401301), we get a palindrome (4043470743404).

The spelling of 1031040342103 in words is "one trillion, thirty-one billion, forty million, three hundred forty-two thousand, one hundred three".