2312545121 has 2 divisors, whose sum is σ = 2312545122. Its totient is φ = 2312545120.

The previous prime is 2312545093. The next prime is 2312545129. The reversal of 2312545121 is 1215452132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1422119521 + 890425600 = 37711^2 + 29840^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312545121 - 2¹⁰ = 2312544097 is a prime.

It is not a weakly prime, because it can be changed into another prime (2312545129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156272560 + 1156272561.

It is an arithmetic number, because the mean of its divisors is an integer number (1156272561).

Almost surely, 2^2312545121 is an apocalyptic number.

It is an amenable number.

2312545121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312545121 is an equidigital number, since it uses as much as digits as its factorization.

2312545121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 26.

The square root of 2312545121 is about 48088.9292977084. The cubic root of 2312545121 is about 1322.4017188671.

Adding to 2312545121 its reverse (1215452132), we get a palindrome (3527997253).

The spelling of 2312545121 in words is "two billion, three hundred twelve million, five hundred forty-five thousand, one hundred twenty-one".