2232313121 has 2 divisors, whose sum is σ = 2232313122. Its totient is φ = 2232313120.

The previous prime is 2232313003. The next prime is 2232313147. The reversal of 2232313121 is 1213132322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2055715600 + 176597521 = 45340^2 + 13289^2 .

It is a cyclic number.

It is not a de Polignac number, because 2232313121 - 2²⁶ = 2165204257 is a prime.

It is a super-3 number, since 3×2232313121³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2232313093 and 2232313102.

It is not a weakly prime, because it can be changed into another prime (2232313151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116156560 + 1116156561.

It is an arithmetic number, because the mean of its divisors is an integer number (1116156561).

Almost surely, 2^2232313121 is an apocalyptic number.

It is an amenable number.

2232313121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2232313121 is an equidigital number, since it uses as much as digits as its factorization.

2232313121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 20.

The square root of 2232313121 is about 47247.3609950863. The cubic root of 2232313121 is about 1306.9281247922.

Adding to 2232313121 its reverse (1213132322), we get a palindrome (3445445443).

The spelling of 2232313121 in words is "two billion, two hundred thirty-two million, three hundred thirteen thousand, one hundred twenty-one".