1031404103 has 4 divisors (see below), whose sum is σ = 1031489568. Its totient is φ = 1031318640.

The previous prime is 1031404039. The next prime is 1031404117. The reversal of 1031404103 is 3014041301.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3014041301 = 73 ⋅41288237.

It is a cyclic number.

It is not a de Polignac number, because 1031404103 - 2⁶ = 1031404039 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 (1031404133) 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, 20918 + ... + 50003.

It is an arithmetic number, because the mean of its divisors is an integer number (257872392).

Almost surely, 2^1031404103 is an apocalyptic number.

1031404103 is a deficient number, since it is larger than the sum of its proper divisors (85465).

1031404103 is an equidigital number, since it uses as much as digits as its factorization.

1031404103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85464.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1031404103 is about 32115.4807374886. The cubic root of 1031404103 is about 1010.3603272721.

Adding to 1031404103 its reverse (3014041301), we get a palindrome (4045445404).

The spelling of 1031404103 in words is "one billion, thirty-one million, four hundred four thousand, one hundred three".