10131003 has 24 divisors (see below), whose sum is σ = 15180048. Its totient is φ = 6507072.

The previous prime is 10130999. The next prime is 10131019. The reversal of 10131003 is 30013101.

It is not a de Polignac number, because 10131003 - 2² = 10130999 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (10131083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31801 + ... + 32117.

It is an arithmetic number, because the mean of its divisors is an integer number (632502).

Almost surely, 2^10131003 is an apocalyptic number.

10131003 is a deficient number, since it is larger than the sum of its proper divisors (5049045).

10131003 is a wasteful number, since it uses less digits than its factorization.

10131003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 440 counting only the distinct ones).

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

The square root of 10131003 is about 3182.9236560119. The cubic root of 10131003 is about 216.3801817866.

Adding to 10131003 its reverse (30013101), we get a palindrome (40144104).

It can be divided in two parts, 1013 and 1003, that added together give a triangular number (2016 = T₆₃).

The spelling of 10131003 in words is "ten million, one hundred thirty-one thousand, three".