1031000103 has 32 divisors (see below), whose sum is σ = 1749496320. Its totient is φ = 587831040.

The previous prime is 1031000057. The next prime is 1031000107. The reversal of 1031000103 is 3010001301.

It is not a de Polignac number, because 1031000103 - 2¹⁷ = 1030869031 is a prime.

It is a super-2 number, since 2×1031000103² = 2125922424772021218, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031000107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82423 + ... + 94103.

It is an arithmetic number, because the mean of its divisors is an integer number (54671760).

Almost surely, 2^1031000103 is an apocalyptic number.

1031000103 is a deficient number, since it is larger than the sum of its proper divisors (718496217).

1031000103 is a wasteful number, since it uses less digits than its factorization.

1031000103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12164 (or 12158 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 1031000103 is about 32109.1903199069. The cubic root of 1031000103 is about 1010.2283909865.

Adding to 1031000103 its reverse (3010001301), we get a palindrome (4041001404).

The spelling of 1031000103 in words is "one billion, thirty-one million, one hundred three", and thus it is an aban number.