2312203121 has 2 divisors, whose sum is σ = 2312203122. Its totient is φ = 2312203120.

The previous prime is 2312203093. The next prime is 2312203139. The reversal of 2312203121 is 1213022132.

2312203121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1684199521 + 628003600 = 41039^2 + 25060^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312203121 - 2⁶ = 2312203057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2312203121.

It is not a weakly prime, because it can be changed into another prime (2312203141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156101560 + 1156101561.

It is an arithmetic number, because the mean of its divisors is an integer number (1156101561).

Almost surely, 2^2312203121 is an apocalyptic number.

It is an amenable number.

2312203121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312203121 is an equidigital number, since it uses as much as digits as its factorization.

2312203121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2312203121 is about 48085.3732542444. The cubic root of 2312203121 is about 1322.3365260946.

Adding to 2312203121 its reverse (1213022132), we get a palindrome (3525225253).

The spelling of 2312203121 in words is "two billion, three hundred twelve million, two hundred three thousand, one hundred twenty-one".