1031103420043 has 4 divisors (see below), whose sum is σ = 1031835219480. Its totient is φ = 1030371620608.

The previous prime is 1031103420041. The next prime is 1031103420047. The reversal of 1031103420043 is 3400243011301.

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 1031103420043 - 2¹ = 1031103420041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031103419996 and 1031103420023.

It is not an unprimeable number, because it can be changed into a prime (1031103420041) 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, 365897605 + ... + 365900422.

It is an arithmetic number, because the mean of its divisors is an integer number (257958804870).

Almost surely, 2^{1031103420043} is an apocalyptic number.

1031103420043 is a deficient number, since it is larger than the sum of its proper divisors (731799437).

1031103420043 is an equidigital number, since it uses as much as digits as its factorization.

1031103420043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731799436.

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

Adding to 1031103420043 its reverse (3400243011301), we get a palindrome (4431346431344).

The spelling of 1031103420043 in words is "one trillion, thirty-one billion, one hundred three million, four hundred twenty thousand, forty-three".