2023131213 has 6 divisors (see below), whose sum is σ = 2922300654. Its totient is φ = 1348754136.

The previous prime is 2023131203. The next prime is 2023131247. The reversal of 2023131213 is 3121313202.

It can be written as a sum of positive squares in only one way, i.e., 1992461769 + 30669444 = 44637^2 + 5538^2 .

It is not a de Polignac number, because 2023131213 - 2¹⁰ = 2023130189 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023131203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112396170 + ... + 112396187.

It is an arithmetic number, because the mean of its divisors is an integer number (487050109).

Almost surely, 2^2023131213 is an apocalyptic number.

It is an amenable number.

2023131213 is a deficient number, since it is larger than the sum of its proper divisors (899169441).

2023131213 is a wasteful number, since it uses less digits than its factorization.

2023131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224792363 (or 224792360 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2023131213 is about 44979.2309071643. The cubic root of 2023131213 is about 1264.7596939730.

Adding to 2023131213 its reverse (3121313202), we get a palindrome (5144444415).

The spelling of 2023131213 in words is "two billion, twenty-three million, one hundred thirty-one thousand, two hundred thirteen".