245311212313 has 4 divisors (see below), whose sum is σ = 245315931520. Its totient is φ = 245306493108.

The previous prime is 245311212281. The next prime is 245311212317. The reversal of 245311212313 is 313212113542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245311212313 - 2⁵ = 245311212281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245311212317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2280753 + ... + 2385886.

It is an arithmetic number, because the mean of its divisors is an integer number (61328982880).

Almost surely, 2^245311212313 is an apocalyptic number.

It is an amenable number.

245311212313 is a deficient number, since it is larger than the sum of its proper divisors (4719207).

245311212313 is an equidigital number, since it uses as much as digits as its factorization.

245311212313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719206.

The product of its digits is 4320, while the sum is 28.

Adding to 245311212313 its reverse (313212113542), we get a palindrome (558523325855).

The spelling of 245311212313 in words is "two hundred forty-five billion, three hundred eleven million, two hundred twelve thousand, three hundred thirteen".