2102031003 has 4 divisors (see below), whose sum is σ = 2802708008. Its totient is φ = 1401354000.

The previous prime is 2102030969. The next prime is 2102031053. The reversal of 2102031003 is 3001302012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2102031003 - 2¹² = 2102026907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2102031003.

It is not an unprimeable number, because it can be changed into a prime (2102031053) 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, 350338498 + ... + 350338503.

It is an arithmetic number, because the mean of its divisors is an integer number (700677002).

Almost surely, 2^2102031003 is an apocalyptic number.

2102031003 is a deficient number, since it is larger than the sum of its proper divisors (700677005).

2102031003 is an equidigital number, since it uses as much as digits as its factorization.

2102031003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700677004.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2102031003 is about 45847.9116536402. The cubic root of 2102031003 is about 1280.9918669092.

Adding to 2102031003 its reverse (3001302012), we get a palindrome (5103333015).

The spelling of 2102031003 in words is "two billion, one hundred two million, thirty-one thousand, three".