131003103 has 32 divisors (see below), whose sum is σ = 218580480. Its totient is φ = 67800960.

The previous prime is 131003027. The next prime is 131003107. The reversal of 131003103 is 301300131.

It is not a de Polignac number, because 131003103 - 2¹⁴ = 130986719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131003107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72333 + ... + 74121.

It is an arithmetic number, because the mean of its divisors is an integer number (6830640).

Almost surely, 2^131003103 is an apocalyptic number.

131003103 is a deficient number, since it is larger than the sum of its proper divisors (87577377).

131003103 is a wasteful number, since it uses less digits than its factorization.

131003103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 131003103 is about 11445.6586966413. The cubic root of 131003103 is about 507.8793177996.

Adding to 131003103 its reverse (301300131), we get a palindrome (432303234).

The spelling of 131003103 in words is "one hundred thirty-one million, three thousand, one hundred three".