2130321312003 has 16 divisors (see below), whose sum is σ = 2877760793600. Its totient is φ = 1401565239360.

The previous prime is 2130321311977. The next prime is 2130321312011. The reversal of 2130321312003 is 3002131230312.

It is not a de Polignac number, because 2130321312003 - 2⁶ = 2130321311939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130321332003) 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, 1656343 + ... + 2646528.

It is an arithmetic number, because the mean of its divisors is an integer number (179860049600).

Almost surely, 2^{2130321312003} is an apocalyptic number.

2130321312003 is a deficient number, since it is larger than the sum of its proper divisors (747439481597).

2130321312003 is a wasteful number, since it uses less digits than its factorization.

2130321312003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305042.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2130321312003 its reverse (3002131230312), we get a palindrome (5132452542315).

The spelling of 2130321312003 in words is "two trillion, one hundred thirty billion, three hundred twenty-one million, three hundred twelve thousand, three".