22203012313 has 2 divisors, whose sum is σ = 22203012314. Its totient is φ = 22203012312.

The previous prime is 22203012311. The next prime is 22203012371. The reversal of 22203012313 is 31321030222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18996281929 + 3206730384 = 137827^2 + 56628^2 .

It is a cyclic number.

It is not a de Polignac number, because 22203012313 - 2¹ = 22203012311 is a prime.

Together with 22203012311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22203012311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101506156 + 11101506157.

It is an arithmetic number, because the mean of its divisors is an integer number (11101506157).

Almost surely, 2^22203012313 is an apocalyptic number.

It is an amenable number.

22203012313 is a deficient number, since it is larger than the sum of its proper divisors (1).

22203012313 is an equidigital number, since it uses as much as digits as its factorization.

22203012313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22203012313 its reverse (31321030222), we get a palindrome (53524042535).

The spelling of 22203012313 in words is "twenty-two billion, two hundred three million, twelve thousand, three hundred thirteen".