1031343103 has 4 divisors (see below), whose sum is σ = 1178677840. Its totient is φ = 884008368.

The previous prime is 1031343013. The next prime is 1031343113. The reversal of 1031343103 is 3013431301.

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 1031343103 - 2²⁹ = 494472191 is a prime.

It is a super-2 number, since 2×1031343103² = 2127337192211337218, which 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 (1031343113) 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, 73667358 + ... + 73667371.

It is an arithmetic number, because the mean of its divisors is an integer number (294669460).

Almost surely, 2^1031343103 is an apocalyptic number.

1031343103 is a deficient number, since it is larger than the sum of its proper divisors (147334737).

1031343103 is an equidigital number, since it uses as much as digits as its factorization.

1031343103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147334736.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1031343103 is about 32114.5310256899. The cubic root of 1031343103 is about 1010.3404084079.

Adding to 1031343103 its reverse (3013431301), we get a palindrome (4044774404).

The spelling of 1031343103 in words is "one billion, thirty-one million, three hundred forty-three thousand, one hundred three".