22011002313 has 4 divisors (see below), whose sum is σ = 29348003088. Its totient is φ = 14674001540.

The previous prime is 22011002311. The next prime is 22011002329. The reversal of 22011002313 is 31320011022.

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 22011002313 - 2¹ = 22011002311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22011002292 and 22011002301.

It is not an unprimeable number, because it can be changed into a prime (22011002311) 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, 3668500383 + ... + 3668500388.

It is an arithmetic number, because the mean of its divisors is an integer number (7337000772).

Almost surely, 2^22011002313 is an apocalyptic number.

It is an amenable number.

22011002313 is a deficient number, since it is larger than the sum of its proper divisors (7337000775).

22011002313 is an equidigital number, since it uses as much as digits as its factorization.

22011002313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7337000774.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22011002313 its reverse (31320011022), we get a palindrome (53331013335).

The spelling of 22011002313 in words is "twenty-two billion, eleven million, two thousand, three hundred thirteen".