100131001003 has 16 divisors (see below), whose sum is σ = 111267600480. Its totient is φ = 89348300800.

The previous prime is 100131000997. The next prime is 100131001013. The reversal of 100131001003 is 300100131001.

It is not a de Polignac number, because 100131001003 - 2⁵ = 100131000971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100131001013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239158 + ... + 507403.

It is an arithmetic number, because the mean of its divisors is an integer number (6954225030).

Almost surely, 2^100131001003 is an apocalyptic number.

100131001003 is a deficient number, since it is larger than the sum of its proper divisors (11136599477).

100131001003 is a wasteful number, since it uses less digits than its factorization.

100131001003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746798.

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

Adding to 100131001003 its reverse (300100131001), we get a palindrome (400231132004).

The spelling of 100131001003 in words is "one hundred billion, one hundred thirty-one million, one thousand, three".