10001131003 has 4 divisors (see below), whose sum is σ = 10002961840. Its totient is φ = 9999300168.

The previous prime is 10001130973. The next prime is 10001131027. The reversal of 10001131003 is 30013110001.

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 10001131003 - 2²¹ = 9999033851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001131073) 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, 907200 + ... + 918157.

It is an arithmetic number, because the mean of its divisors is an integer number (2500740460).

Almost surely, 2^10001131003 is an apocalyptic number.

10001131003 is a deficient number, since it is larger than the sum of its proper divisors (1830837).

10001131003 is an equidigital number, since it uses as much as digits as its factorization.

10001131003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830836.

The product of its (nonzero) digits is 9, while the sum is 10.

Adding to 10001131003 its reverse (30013110001), we get a palindrome (40014241004).

The spelling of 10001131003 in words is "ten billion, one million, one hundred thirty-one thousand, three".