8131003 has 2 divisors, whose sum is σ = 8131004. Its totient is φ = 8131002.

The previous prime is 8130989. The next prime is 8131033. The reversal of 8131003 is 3001318.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8131003 is a prime.

It is a super-2 number, since 2×8131003² = 132226419572018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8131033) 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 as a sum of consecutive naturals, namely, 4065501 + 4065502.

It is an arithmetic number, because the mean of its divisors is an integer number (4065502).

Almost surely, 2^8131003 is an apocalyptic number.

8131003 is a deficient number, since it is larger than the sum of its proper divisors (1).

8131003 is an equidigital number, since it uses as much as digits as its factorization.

8131003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 8131003 is about 2851.4913641812. The cubic root of 8131003 is about 201.0857863396.

The spelling of 8131003 in words is "eight million, one hundred thirty-one thousand, three".