20211113313 has 12 divisors (see below), whose sum is σ = 29872757200. Its totient is φ = 13160724696.

The previous prime is 20211113309. The next prime is 20211113317. The reversal of 20211113313 is 31331111202.

It is an interprime number because it is at equal distance from previous prime (20211113309) and next prime (20211113317).

It is not a de Polignac number, because 20211113313 - 2² = 20211113309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20211113317) 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 11 ways as a sum of consecutive naturals, for example, 26112163 + ... + 26112936.

Almost surely, 2^20211113313 is an apocalyptic number.

It is an amenable number.

20211113313 is a deficient number, since it is larger than the sum of its proper divisors (9661643887).

20211113313 is a wasteful number, since it uses less digits than its factorization.

20211113313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52225148 (or 52225145 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 20211113313 its reverse (31331111202), we get a palindrome (51542224515).

The spelling of 20211113313 in words is "twenty billion, two hundred eleven million, one hundred thirteen thousand, three hundred thirteen".