20111010313 has 4 divisors (see below), whose sum is σ = 21169484560. Its totient is φ = 19052536068.

The previous prime is 20111010301. The next prime is 20111010347. The reversal of 20111010313 is 31301011102.

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 a de Polignac number, because none of the positive numbers 2^k-20111010313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20111010293 and 20111010302.

It is not an unprimeable number, because it can be changed into a prime (20111013313) 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, 529237095 + ... + 529237132.

It is an arithmetic number, because the mean of its divisors is an integer number (5292371140).

Almost surely, 2^20111010313 is an apocalyptic number.

It is an amenable number.

20111010313 is a deficient number, since it is larger than the sum of its proper divisors (1058474247).

20111010313 is a wasteful number, since it uses less digits than its factorization.

20111010313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058474246.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 20111010313 its reverse (31301011102), we get a palindrome (51412021415).

The spelling of 20111010313 in words is "twenty billion, one hundred eleven million, ten thousand, three hundred thirteen".