2101431003 has 16 divisors (see below), whose sum is σ = 3267532800. Its totient is φ = 1200817128.

The previous prime is 2101430993. The next prime is 2101431011. The reversal of 2101431003 is 3001341012.

It is not a de Polignac number, because 2101431003 - 2²¹ = 2099333851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101431023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1020075 + ... + 1022132.

It is an arithmetic number, because the mean of its divisors is an integer number (204220800).

Almost surely, 2^2101431003 is an apocalyptic number.

2101431003 is a deficient number, since it is larger than the sum of its proper divisors (1166101797).

2101431003 is an equidigital number, since it uses as much as digits as its factorization.

2101431003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042231 (or 2042217 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2101431003 is about 45841.3678133626. The cubic root of 2101431003 is about 1280.8699739623.

Adding to 2101431003 its reverse (3001341012), we get a palindrome (5102772015).

The spelling of 2101431003 in words is "two billion, one hundred one million, four hundred thirty-one thousand, three".