220310232313 has 4 divisors (see below), whose sum is σ = 220450827520. Its totient is φ = 220169637108.

The previous prime is 220310232301. The next prime is 220310232383. The reversal of 220310232313 is 313232013022.

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, and also an emirpimes, since its reverse is a distinct semiprime: 313232013022 = 2 ⋅156616006511.

It is a cyclic number.

It is not a de Polignac number, because 220310232313 - 2¹⁷ = 220310101241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220310232383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70295253 + ... + 70298386.

It is an arithmetic number, because the mean of its divisors is an integer number (55112706880).

Almost surely, 2^220310232313 is an apocalyptic number.

It is an amenable number.

220310232313 is a deficient number, since it is larger than the sum of its proper divisors (140595207).

220310232313 is a wasteful number, since it uses less digits than its factorization.

220310232313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140595206.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 220310232313 its reverse (313232013022), we get a palindrome (533542245335).

The spelling of 220310232313 in words is "two hundred twenty billion, three hundred ten million, two hundred thirty-two thousand, three hundred thirteen".