2311325641 has 4 divisors (see below), whose sum is σ = 2311899412.
Its totient is φ = 2310751872.
The previous prime is 2311325633. The next prime is 2311325659. The reversal of 2311325641 is 1465231132.
Adding to 2311325641 its reverse (1465231132), we get a palindrome (3776556773).
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1864426041 + 446899600 = 43179^2 + 21140^2
It is a cyclic number.
It is not a de Polignac number, because 2311325641 - 23 = 2311325633 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2311325671) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280800 + ... + 288913.
It is an arithmetic number, because the mean of its divisors is an integer number (577974853).
Almost surely, 22311325641 is an apocalyptic number.
It is an amenable number.
2311325641 is a deficient number, since it is larger than the sum of its proper divisors (573771).
2311325641 is an equidigital number, since it uses as much as digits as its factorization.
2311325641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 573770.
The product of its digits is 4320, while the sum is 28.
The square root of 2311325641 is about 48076.2482001248.
The cubic root of 2311325641 is about 1322.1692295660.
The spelling of 2311325641 in words is "two billion, three hundred eleven million, three hundred twenty-five thousand, six hundred forty-one".