2151324203 has 4 divisors (see below), whose sum is σ = 2458656240. Its totient is φ = 1843992168.

The previous prime is 2151324193. The next prime is 2151324221. The reversal of 2151324203 is 3024231512.

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 2151324203 - 2⁴ = 2151324187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2151324293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153666008 + ... + 153666021.

It is an arithmetic number, because the mean of its divisors is an integer number (614664060).

Almost surely, 2^2151324203 is an apocalyptic number.

2151324203 is a deficient number, since it is larger than the sum of its proper divisors (307332037).

2151324203 is an equidigital number, since it uses as much as digits as its factorization.

2151324203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307332036.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2151324203 is about 46382.3695276557. The cubic root of 2151324203 is about 1290.9278029834.

Adding to 2151324203 its reverse (3024231512), we get a palindrome (5175555715).

The spelling of 2151324203 in words is "two billion, one hundred fifty-one million, three hundred twenty-four thousand, two hundred three".