3122313203 has 4 divisors (see below), whose sum is σ = 3122433048. Its totient is φ = 3122193360.

The previous prime is 3122313151. The next prime is 3122313251. The reversal of 3122313203 is 3023132213.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3023132213 = 23 ⋅131440531.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3122313203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3122373203) 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, 2501 + ... + 79062.

It is an arithmetic number, because the mean of its divisors is an integer number (780608262).

Almost surely, 2^3122313203 is an apocalyptic number.

3122313203 is a deficient number, since it is larger than the sum of its proper divisors (119845).

3122313203 is an equidigital number, since it uses as much as digits as its factorization.

3122313203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119844.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3122313203 is about 55877.6628269293. The cubic root of 3122313203 is about 1461.5897493893.

Adding to 3122313203 its reverse (3023132213), we get a palindrome (6145445416).

The spelling of 3122313203 in words is "three billion, one hundred twenty-two million, three hundred thirteen thousand, two hundred three".